Short answer: A foreign applicant with no habitual residence or place of business in China cannot file directly — Chinese law requires you to appoint a Chinese patent agent, and all proceedings are conducted in Chinese. You have three entry routes: the PCT national phase (enter within 30 months of the priority date, extendable to 32 months on payment of a surcharge), a Paris Convention filing (12-month priority, 6 months for designs), or the Hague System for designs (designating China directly). An invention patent lasts 20 years, a utility model 10, a design 15. Official fees are modest — CNY 900 to file an invention plus a CNY 50 publication printing fee, and CNY 2,500 for substantive examination — but the annuity curve, the response deadlines and the consequence of a missed date are what actually determine the cost of a Chinese portfolio. The 2024 revision of the Implementing Regulations added several tools that genuinely help foreign applicants (restoration of priority, addition or correction of priority claims, incorporation by reference) and one change that will catch you out: electronic service no longer carries the 15-day mailing presumption, so the time you have to respond is shorter than it used to be.
This guide sets out what a foreign applicant or an overseas associate actually needs to know, stage by stage, with the operative deadlines and the amounts CNIPA charges.
1. The rule that applies to every foreign applicant: you must appoint a Chinese patent agent
Article 19 of the PRC Patent Law provides that a foreigner, foreign enterprise or other foreign organisation without habitual residence or place of business in China must, when filing a patent application or handling other patent business in China, appoint a patent agency established in accordance with law to act for it.
Three practical consequences follow.
- You cannot file pro se. The CNIPA online filing system requires a Chinese resident ID or a Chinese unified social credit code for self-filers. A foreign applicant has neither, so the filing must go through an appointed Chinese agency.
- The requirement also bites on joint filings. If a foreign applicant is the first-named applicant alongside a Chinese co-applicant, the agency requirement still applies.
- There is a narrow exception. The 2024 Implementing Regulations introduce a carve-out for purely administrative acts — submitting a copy of an earlier application, paying fees and similar matters — which an applicant may handle itself. This does not remove the requirement to appoint an agent for the application itself. In practice, using the exception achieves nothing and complicates file management; every foreign applicant we act for simply appoints the agency for the full file.
The applicant’s nationality, the country of first filing and the applicant’s status (individual, company, university) do not change this. It is a procedural requirement, not a substantive bar.
What to check before you engage anyone: the agency’s CNIPA code. Every lawfully established Chinese patent agency carries a five-digit code issued by CNIPA (Zhihai Yida’s is 34408), and disciplinary records are published. Ask for the code, and check it on the CNIPA agency register.
2. Who is entitled to hold a Chinese patent
Article 18 of the Patent Law gives foreign applicants the same rights as Chinese applicants where:
- their home country has a treaty or agreement with China on the protection of industrial property;
- both countries are party to the same international treaty; or
- the principle of reciprocity applies (the home country allows Chinese applicants to file there).
Because China is a party to the Paris Convention and the PCT, and a member of the WTO, applicants from essentially every jurisdiction of commercial interest qualify. Stateless persons and foreign nationals whose home state does not qualify under (1)–(3) may still file if they have a genuine and effective commercial establishment in China.
Priority is not affected by route. A Chinese application claiming priority from a foreign application is examined as if filed on the priority date for novelty and inventive step purposes — provided the priority claim is properly made.
3. Three routes into China — choose before you file abroad
| A. PCT national phase | B. Paris Convention direct filing | C. Hague System (designs only) | |
| Deadline | 30 months from the priority date; 32 months on payment of a late-entry surcharge (CNY 1,000) | 12 months from the first filing (inventions and utility models); 6 months (designs) | Governed by the Hague timetable — designation of China handled through WIPO |
| Language | File in any PCT language; Chinese translation of the description and claims required to enter | Chinese only | WIPO handles the international registration; Chinese materials required for the national phase |
| Filing fee | CNY 900 (invention) + CNY 50 publication printing fee; CNY 500 (utility model) | CNY 900 (invention); CNY 500 (utility model or design) | Separate designation fees — see §8 |
| Best for | Most foreign applicants. Buys 30 months of market evaluation and spreads cost | Applicants who want a Chinese filing on the table within 12 months without a PCT | Design portfolios with multi-country coverage |
| Watch out for | Missing the 30-month entry; the surcharge only buys two extra months | You must translate before filing — no grace period to file in a foreign language | Only available to applicants from Hague member states |
Two structural advantages of the PCT route worth knowing. First, the 30 months is real breathing space — you can file the international application now and decide on China later. Second, if CNIPA acted as International Searching Authority for your application, the national-phase filing fee and the substantive examination fee can be waived or reduced. That is a meaningful saving on a large portfolio and is routinely overlooked.
4. Invention, utility model or design — the choice that determines how long you wait
China offers three types of patent. The distinction matters far more than in some other systems because the utility model is genuinely useful — it covers products with a physical structure, is examined only for formalities and obvious defects, and can be granted within months.
| Invention patent | Utility model | Design patent | |
| Protects | Products, processes, methods, compositions, systems | Products with a shape or structure — no methods, no processes, no materials per se | The appearance of a product — shape, pattern, colour; including partial designs since 2021 |
| Term | 20 years from the filing date | 10 years from the filing date | 15 years from the filing date |
| Substantive examination | Yes — must be requested within 3 years of the filing date (earliest priority date, if any) | No. Formalities plus an examination for obvious lack of novelty, inventiveness and utility | No. Formalities plus an examination for obvious lack of distinctiveness |
| Typical grant timeline | Around 15 months on average (CNIPA’s 2025 figure) | Months | Months |
| Fee to file | CNY 900 + CNY 2,500 substantive examination + CNY 50 publication | CNY 500 | CNY 500 |
| Enforcement note | Full protection; the strongest weapon in litigation | A patentability evaluation report is normally needed before enforcement | Same — evaluation report on request |
The strategic trap: the utility model’s subject-matter limit is enforced strictly. Software, business methods, chemical compositions and manufacturing processes cannot be protected by a utility model, however mechanical the description sounds. Claiming a method in a utility model is a common — and fatal — drafting error.
Since the 2024 Regulations, obvious lack of inventiveness was added to the preliminary examination of utility models and designs, so clearly low-quality filings are now refused at the first stage rather than sailing through.
5. Stage by stage: the life of a Chinese application
The table below is the sequence for an invention patent filed via the PCT national phase — the most common path for foreign applicants.
| Stage | What happens | Deadline that matters |
| 1. Entry / filing | Entry documents, Chinese translation of description and claims, application fee and publication printing fee | Within 30 months of the priority date (32 months with surcharge) |
| 2. Formalities examination | CNIPA checks the papers and the formalities; a filing number and entry date are assigned | Deficiencies are notified with a period for correction |
| 3. Priority documents | In a Paris Convention filing, a copy of the earlier application must be filed — usually obtained electronically through WIPO DAS. Where the priority document was already filed during the PCT international phase, no further copy is required on entry | Within 3 months of the Chinese filing date; failure means the priority claim is lost |
| 4. Publication | The application is published | 18 months from the filing date (earliest priority date). Early publication can be requested |
| 5. Request for substantive examination | Must be requested and paid for; the application is deemed withdrawn if not | Within 3 years of the filing date (earliest priority date) |
| 6. Substantive examination | Examiner raises objections by notification; the applicant responds and amends | The period specified in the notification — see §6 |
| 7. Grant or refusal | Complete the registration formalities and pay the annual fee for the year of grant at the time of grant | Within the notified period; late payment means the application is deemed withdrawn |
| 8. Annuities | The annual fee is payable each year, running from the filing date, starting with the year of grant | Annuity due date is fixed by the filing date’s month and day; a 6-month grace period applies with escalating surcharges |
Two consequences of note:
- “Filing date” means filing date. The annuity clock, the 18-month publication clock and the 3-year examination-request clock all run from the earliest priority date if priority is claimed. There is no way to re-set them.
- Annuities escalate sharply. For an invention patent the annual fee moves from CNY 900 (years 1–3) to CNY 4,000 (years 10–12) and CNY 8,000 (years 16–20). Most abandoned Chinese patents are abandoned at one of those two steps. Portfolio reviews should be scheduled immediately before them.
6. Language, deadlines and the amendment you may not know you can make
Everything filed with CNIPA must be in Chinese. Documents submitted in another language are not effective. For a Paris Convention filing this means the description and claims must be translated before filing. For a PCT entry, the international application may be in any PCT language, but the Chinese translation of the description and claims is required to complete entry, and the abstract translation and drawing copies must be supplied thereafter.
Response periods are short, and they just got shorter. CNIPA specifies a period in each notification; in substantive examination the first notification commonly allows four months and subsequent ones two. You may extend it — the first extension costs CNY 300 per month, further extensions CNY 2,000 per month.
The reason to pay attention now: under the 2024 Regulations, documents served electronically are deemed served on the date they reach the electronic system the party has agreed to use. The old rule presumed 15 days for mailing. That presumption is gone for electronic service, and since CNIPA now serves electronically as a matter of course, the practical time you have to act on a notification has been reduced by up to two weeks. Overseas clients who rely on their associates to forward notifications must shorten their internal turnaround accordingly.
A deadline you can still rescue. Where a period is missed and a right is lost, restoration may be requested within two months of receiving CNIPA’s notification of loss of rights, on payment of CNY 1,000. For a missed re-examination request period, the two months run from the expiry of that period itself. Restoration is not available for every period, and it is a lifeline rather than a plan.
7. Confidentiality examination: the trap for inventions made in China
Article 20 of the Patent Law requires that any invention or utility model made in China be submitted to CNIPA for confidentiality examination before a patent application for it is filed abroad. A PCT application filed with CNIPA as receiving office counts as a valid request; filing through another receiving office requires a separate request.
The sanction is severe: if the requirement is breached, a Chinese patent will not be granted for that invention.
This matters to foreign applicants far more than it once did. R&D is increasingly carried out through Chinese subsidiaries, joint ventures or commissioned research teams. If the inventive work was done in China, the requirement applies — regardless of where the applicant is incorporated, and regardless of the nationality of the inventors.
The 2024 Regulations shortened the procedure: CNIPA now issues any notification within two months and takes its decision within four months, extendable by two months where the case is complex (previously four and six months).
8. Official fees: what CNIPA actually charges
| Item | Invention | Utility model | Design |
| Filing fee | CNY 900 | CNY 500 | CNY 500 |
| Publication printing fee (invention patents only) | CNY 50 | — | — |
| Claim surcharge (from claim 11) | CNY 150 per claim | CNY 150 per claim | — |
| Description surcharge | CNY 50 per page from p.31; CNY 100 per page from p.301 | same | — |
| Priority claim fee | CNY 80 per claim | CNY 80 per claim | CNY 80 per claim |
| Substantive examination fee | CNY 2,500 | — | — |
| Pay the fee for patent registration after grant | The annual fee that needs to be paid as stated in the notice of handling registration procedures | ||
| Annuity, years 1–3 | CNY 900/yr | CNY 600/yr | CNY 600/yr |
| Annuity, years 4–6 | CNY 1,200/yr | CNY 900/yr (yrs 4–5) | CNY 900/yr (yrs 4–5) |
| Annuity, years 7–9 | CNY 2,000/yr | CNY 1,200/yr (yrs 6–8) | CNY 1,200/yr (yrs 6–8) |
| Annuity, years 10–12 | CNY 4,000/yr | CNY 2,000/yr (yrs 9–10) | CNY 2,000/yr (yrs 9–10) |
| Annuity, years 13–15 | CNY 6,000/yr | — | CNY 3,000/yr (yrs 11–15) |
| Annuity, years 16–20 | CNY 8,000/yr | — | — |
| Late annuity payment | +5% of the full annual fee per month overdue, within a 6-month grace period | same | same |
| Extension of time | CNY 300/month first request; CNY 2,000/month thereafter | same | same |
| Restoration of rights | CNY 1,000 | CNY 1,000 | CNY 1,000 |
| Re-examination fee | CNY 1,000 | CNY 300 | CNY 300 |
| Patentability evaluation report | — | CNY 2,400 | CNY 2,400 |
| Invalidation request | CNY 3,000 | CNY 1,500 | CNY 1,500 |
| Patent term compensation | CNY 200 per request; CNY 8,000 per year of compensated term | — | — |
| Hague designation of China (designs) | Three instalments: (Years 1-5)CNY 4,100 / (Years 6-10)CNY 7,600 / (Years 11-15)CNY 15,000 | ||
PCT national phase adds: late-entry surcharge CNY 1,000 (if entering in months 31–32), and the standard filing and publication fees.
These are official fees only. Agency fees, translation costs and annuities are separate. Fee standards are revised from time to time — confirm the operative figure in the CNIPA filing system before payment.
9. The fee-reduction scheme — and why most foreign applicants cannot use it
China operates a fee-reduction scheme that cuts most fees by 85% (70% where there are two or more applicants or patentees, each of whom must independently qualify). It covers the filing fee (excluding publication and surcharge), the substantive examination fee, re-examination fee, and annuities for the first ten years from grant.
The qualifying condition is one of the following:
- an individual whose average monthly income in the previous year was below CNY 5,000 (CNY 60,000 per year);
- an enterprise whose Chinese corporate income tax taxable income for the previous year was below CNY 1 million;
- public institutions, social organisations and non-profit research institutions.
Here is the difficulty for foreign applicants. Qualification requires a prior filing for record with CNIPA, supported by evidence: for a company, a copy of the PRC Enterprise Income Tax annual return; for an individual, an income certificate from the employer or a certificate of economic hardship issued by a Chinese county-level authority. A foreign company without a taxable establishment in China has no PRC enterprise income tax return to file, and a foreign individual has no Chinese employer to certify their income. In practice, therefore, an applicant with no habitual residence or place of business in China cannot complete the fee-reduction record, and pays the standard amounts.
Two cases where it does work, and which are worth structuring for:
- A Chinese subsidiary or joint-venture entity that meets the taxable-income threshold can obtain the reduction for applications filed in its own name — even if the parent is foreign.
- A locally established non-profit research body may qualify on its institutional status alone, without any income test.
Timing is strict. A request to reduce the filing fee must be made together with the application; other reductions may be requested later but no later than two and a half months before the payment deadline. Once the record is approved, further requests within the same calendar year need only the request form.
10. Speeding up — and deliberately slowing down
China gives applicants an unusually wide set of options. For foreign applicants the useful ones are:
- PPH (Patent Prosecution Highway). China runs PPH programmes with a large number of offices, including the EPO, JPO, KIPO, USPTO and the UKIPO. Where an equivalent claim set has been found allowable abroad, a PPH request can move the Chinese case forward markedly. It costs nothing in official fees and is the single most under-used acceleration tool by foreign applicants.
- Prioritised examination. Available for applications in designated fields — among them energy saving and environmental protection, next-generation information technology, biomedicine, high-end equipment manufacturing, new energy, new materials and intelligent manufacturing — and for applications of national or public interest. Applications must be supported by evidence that the technology falls within the qualifying field, and the requirements were revised with effect from 1 September 2026, so check the current conditions before relying on this route.
- Delayed examination. A feature introduced by the 2024 Regulations: an applicant may request that substantive examination start later than it otherwise would. This is genuinely useful where a product launch is scheduled for a later year and you would rather not have the term run before the market is ready.
11. What changed in 2024, and why a foreign applicant should care
The revised Implementing Regulations took effect on 20 January 2024 — the first comprehensive revision in nearly fourteen years. Five changes matter to foreign applicants.
| Change | What it gives you |
| Restoration of priority | If you miss the 12-month priority period (designs aside), you may request restoration within two months of its expiry, with a proper reason. In effect, the window becomes up to 14 months. Crucially, if the receiving office restored priority during the PCT international phase, CNIPA recognises that restoration on entry — no second procedure. |
| Addition or correction of a priority claim | If a priority claim was omitted or mis-stated at filing, it may be added or corrected within 16 months of the priority date or 4 months of the filing date, whichever expires later — provided at least one priority was claimed at filing. This removes what used to be an irreversible mistake. |
| Incorporation by reference | If the description or claims — or part of them — are missing or wrongly filed, and priority was claimed, the missing content may be added by reference to the earlier application within two months of filing, without losing the original filing date. China did not accept this before. |
| Patent term compensation | A dedicated chapter now governs compensation for unreasonable delay in granting an invention patent, and for regulatory delay in pharmaceutical patents. The request costs CNY 200, and compensated years carry an annuity of CNY 8,000. |
| Electronic service narrows the response window | As noted in §6, electronic service is effective on arrival in the party’s electronic system. Deadlines are now shorter in practice than they were under the 15-day mailing presumption. |
Two further points worth flagging:
- Good faith is now a ground of refusal and invalidation. The Regulations require that every application be based on genuine inventive activity, without falsification. This is the legal codification of China’s campaign against “abnormal” applications — and it applies to applicants of any nationality.
- Designs gained ground. Partial designs and domestic priority for designs are now available, and the term is 15 years. For consumer-product portfolios this makes a Chinese design filing considerably more attractive than it was.
12. Ten traps that catch foreign applicants
- Filing abroad before a confidentiality examination for an invention made in China — no Chinese patent will be granted.
- Missing the 30-month PCT entry date and assuming there is no remedy. There is a two-month window, on payment of CNY 1,000.
- Losing priority by not filing the earlier-application copy within three months — a purely administrative failure that destroys the earliest date.
- Filing a method or a software claim as a utility model. Subject matter outside structural products cannot be protected this way.
- Forgetting the 3-year substantive examination request. Unrequested means deemed withdrawn, and the case cannot be revived by paying a fee alone.
- Budgeting for years 1–3 annuities and not for years 10–12. The step-up is the point at which patents are actually dropped.
- Diagramming the annuity date from the grant date. It runs from the filing date — month and day.
- Assuming the fee reduction is available. See §9: without a PRC tax record, it generally is not.
- Relying on a 15-day mailing margin that no longer exists for electronically served notifications.
- Appointing an agency on price alone. The agency code is public and so are disciplinary records; the file that gets refused for a formal defect is the most expensive one you will ever own.
13. Frequently asked questions
Can a foreign applicant file a Chinese patent application without a Chinese agent?
No. Where the applicant has no habitual residence or place of business in China, Article 19 of the Patent Law requires the appointment of a Chinese patent agency. The 2024 Regulations create a limited exception for purely administrative acts such as paying fees and filing copies of earlier applications, but the application itself must be handled by an appointed agency.
What is the deadline for entering the Chinese national phase of a PCT application?
Thirty months from the priority date. If that deadline is missed, entry is still possible up to 32 months from the priority date on payment of a late-entry surcharge of CNY 1,000. Beyond 32 months the international application has no effect in China.
Must the application be in Chinese?
Yes. All documents filed with CNIPA must be in Chinese. A direct Paris Convention filing must be translated before filing. For PCT entry, the description and claims must be translated to complete entry even if the international application was in another PCT language.
Can a foreign applicant obtain China’s 85% fee reduction?
Generally not, where the applicant has no place of business in China. The reduction requires a prior record with CNIPA supported by a PRC enterprise income tax return (for companies) or a Chinese employer’s income certificate (for individuals) — documents a foreign applicant cannot produce. A Chinese subsidiary or joint venture meeting the threshold can qualify in its own name, and non-profit research institutions may qualify on institutional status.
How long does a Chinese patent take?
CNIPA reported an average examination cycle of 15 months for invention patents for 2025, the shortest among comparable examination systems. Utility models and designs, which undergo no substantive examination, are typically granted within months. Prioritised examination and PPH can shorten the invention timeline further.
What is the term of a Chinese patent?
20 years from the filing date for an invention patent, 10 years for a utility model and 15 years for a design. Filing date means the earliest priority date where priority is claimed.
Can the term of a Chinese patent be extended or renewed?
There is no renewal system: the term simply expires. Patent term compensation is available in two situations under the 2024 Regulations — unreasonable delay in granting an invention patent, and regulatory delay for pharmaceutical patents. A request costs CNY 200 and compensated years carry an annuity of CNY 8,000.
What happens if I miss a deadline and lose my rights?
Restoration of rights may be requested within two months of CNIPA’s notification of the loss of rights, on payment of CNY 1,000. For a missed re-examination request period, the two months run from the expiry of that period. Restoration is not available for every period.
Can my Chinese patent be invalidated?
Yes, by any party, before CNIPA. The invalidation request fee is CNY 3,000 for an invention patent and CNY 1,500 for a utility model or design. Invalidation is a genuine risk for utility models, which are granted without substantive examination — a patentability evaluation report obtained before enforcement is the usual mitigation.
Are there deadlines I should expect to be shorter than elsewhere?
Yes — response periods to CNIPA notifications. The first substantive examination notification commonly allows four months and later ones two, and since electronic service no longer carries a 15-day mailing presumption, the time actually available is less than the face of the document suggests.
This guide is a general summary of Chinese patent procedure for foreign applicants, prepared by Zhihai Yida Patent Agency (CNIPA agency code 34408) and based on the Patent Law, the Implementing Regulations as revised with effect from 20 January 2024, and CNIPA fee standards current as of 2026. It is not legal advice for any specific case; deadlines, fees and examination practice change. For an application, a translation, an annuity watch or a freedom-to-operate question, contact us at patent@zhihaiyida.com.
Last updated: October 2026