Service Overview
China invention patents protect new technical solutions of products, processes, or improvements with high inventiveness. They have a longer examination process than utility model patents, typically taking 2–4 years, but offer stronger and broader protection for core innovations. Our service handles your entire invention patent application with CNIPA, including prior art search, drafting, filing, and office action responses.
Key Advantages of China Invention Patents
- ✅ Strong Legal Protection: Covers technical solutions with high inventiveness
- ✅ Longer Term: 20-year protection from filing date
- ✅ Exclusive Rights: Prevents competitors from using your core technology
- ✅ Global Recognition: Often used as a basis for foreign patent filings
- ✅ High Value IP Asset: Increases company valuation and licensing opportunities
The China Invention Patent Process
The invention patent process in China typically takes 2–4 years from filing to grant and involves formal and substantive examination.
Step-by-Step Filing Process
Comprehensive process to secure long-term protection for your technical innovations.
Patentability Assessment
Comprehensive analysis of your invention, prior art search, and assessment of protection potential.
Specification Drafting
Draft claims, description, abstract, and drawings in compliance with CNIPA requirements.
CNIPA Filing
Submit application electronically including request form, specifications, drawings, and filing fees.
Formality Examination
CNIPA examines formal requirements (1–2 months).
Substantive Examination
Full examination of novelty, inventive step, and industrial applicability (12–30 months).
Grant & Publication
Patent granted and published; protection valid for 20 years from filing date.
Fee Structure for China Invention Patent
| Fee Component | Cost (USD) | Details & Notes |
|---|---|---|
| Application Fee (Official Fee) | ~$70 | Basic filing fee for electronic application |
| Surcharge (Overage Fee) | ~$20 / page | For additional pages exceeding standard limit |
| Substantive Examination Fee | ~$300 | Required for CNIPA substantive examination |
| Annual Fee (Years 1–20) | $50–$150 / year | Annual maintenance fees increase over time |
| Our Service Fee | $1,200 – $1,500 | Includes prior art search, drafting in Chinese, filing, and response to office actions |
What We Need From You (Required Documents)
- Technical Documentation: Detailed description of the invention and advantages over prior art
- Drawings/Diagrams: Technical drawings illustrating structure and function
- Inventor Information: Full names and addresses of all inventors
- Applicant Information: Company or individual applicant details
- Power of Attorney: Signed POA (we provide template)
- Assignment Document: If applicant differs from inventor
Ready to Protect Your Technical Innovations in China?
Start your China invention patent application today for long-term, robust protection of your core technology.