Chengdu Yuhang Patent Agency (General Partnership)
Your Trusted Partner for China IP Protection
Who We Are
Chengdu Yuhang Patent Agency (General Partnership) is a full-service intellectual property firm licensed by the China National Intellectual Property Administration (CNIPA).
- CNIPA Registration No.: 51283
- Founded: [年份可补充]
- Headquarters: Chengdu, Sichuan, China
- Service Scope: China and international (via partner networks)
We specialize in helping foreign individuals, startups, and small-to-medium enterprises (SMEs) secure and enforce their intellectual property rights in China.
Our Core Business
1. China Patent Prosecution
We handle the full lifecycle of patent applications in China:
| Service | Details |
|---|---|
| Invention Patents | Drafting, filing, substantive examination, office action responses, and grant |
| Utility Model Patents | Fast-track protection for product structures — granted in 6–12 months |
| Design Patents | Protection for product appearance, shape, and patterns |
| Patent Searches | Novelty searches, prior art analysis, and freedom-to-operate (FTO) opinions |
| Patent Translations | Accurate technical translation between Chinese and English |
2. Patent Strategy Consulting
We don't just file applications — we help you build a strategic IP portfolio:
- Portfolio planning — Which patents to file, where, and when
- Priority date management — Ensuring you never miss the 12-month Paris Convention window
- PCT national phase entry — Strategic entry into China from international applications
- Patent mining — Identifying patentable innovations in your R&D pipeline
- Competitor monitoring — Tracking competing patent filings in your technology space
3. Patent Enforcement and Litigation Support
- Infringement analysis — Assessing whether products infringe your patents
- Cease-and-desist letters — Demand letters to infringers
- Administrative enforcement — Complaints to local IP offices
- Customs border protection — Registering patents with Chinese customs to block imports/exports
- Litigation support — Working with our partner law firms for patent litigation
4. Licensing and Technology Transfer
- License agreement drafting — Exclusive and non-exclusive licenses
- Technology transfer — Facilitating IP transactions between Chinese and foreign entities
- Due diligence — IP audits for M&A, investment, or partnership evaluations
What Makes Us Different
1. CNIPA-Licensed and Fully Compliant
We are a licensed patent agency — not an unregulated consultant. This means:
- We are legally authorized to represent foreign applicants before CNIPA
- We are subject to professional and ethical oversight
- We are accountable to China's IP regulatory system
You can verify our registration directly on the CNIPA website (Registration No. 51283).
2. The 'Patent Parts' Methodology (专利零件)
We pioneered a proprietary approach called the 'Patent Parts' Methodology.
Instead of treating your invention as a single, monolithic patent application, we break it down into core components — each of which can be patented separately.
What this means for you:
| Benefit | How It Works |
|---|---|
| Stronger protection | Your invention is protected at multiple levels, not just one |
| More licensing opportunities | You can license individual 'parts' to different partners |
| Harder to copy | A copycat must copy multiple protected parts — making infringement more difficult |
| Broader claim scope | Each part can have its own independent claim set |
This is not standard practice. It is a strategic advantage we offer exclusively to our clients.
3. The Rongdu Principle (容度原理)
Our team applies the Rongdu Principle — a mathematical framework for optimizing complex systems — to patent strategy design.
What this means for you:
- Your patent application is designed not just to pass examination — but to be maximally enforceable, defensible, and commercially valuable
- We use data-driven analysis to determine the best claims, filing strategy, and timing
- We don't guess — we calculate
No other patent firm offers you the Rongdu Principle approach. It is exclusive to Chengdu Yuhang.
4. Specialized in Foreign Individuals and SMEs
Many Chinese patent agencies focus on large domestic corporations. They are not set up for foreign individual inventors or small businesses.
We are different.
- Bilingual support — Direct communication in English and Chinese with your attorney
- Global perspective — We understand the U.S., European, and international patent systems
- Fixed-fee pricing — No hidden costs, no hourly billing, no surprises
- Fast turnaround — 2–4 weeks from invention disclosure to filing
- Transparent process — You always know where your application stands
5. Direct Communication — No Middlemen
You speak directly with the person handling your case. No account managers. No translation layers. No 'we'll get back to you.'
We believe trust is built through direct, honest communication.
Our Clients
We serve inventors and businesses from:
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- ???????? Canada
- ???????? United Kingdom
- ???????? Germany
- ???????? France
- ???????? Australia
- ???????? Japan
- ???????? South Korea
- ???????? India
- ???????? Singapore
- ...and more than 20 other countries
Why China Patents Matter
China is the world's largest patent market and the world's factory.
| Reason | Why It Matters |
|---|---|
| World's largest consumer market | 1.4 billion people — protect your right to sell |
| World's largest manufacturing base | China produces 30%+ of global manufactured goods — protect your supply chain |
| First-to-file system | If you don't file first, someone else will — and you will be blocked |
| Enforceable rights | China handles over 300,000 patent disputes annually — courts are active and effective |
| Border protection | Chinese customs can block infringing imports and exports at the border |
Our Service Fees — Transparent and Fixed
We believe in no surprises.
| Service | Fee (USD) |
|---|---|
| Utility Model Patent (service fee only) | $1,200 – $1,500 |
| Design Patent (service fee only) | $800 – $1,200 |
| Invention Patent (Basic) | $2,500 – $3,500 |
| Invention Patent (Standard) | $4,000 – $4,500 |
| Office Action Response (additional) | $800 – $1,200 each |
CNIPA official fees are additional and passed through at cost.
We provide a detailed written quote before any work begins — so you always know exactly what you are paying for.
Our Team
Our team consists of:
- Licensed Chinese patent attorneys — registered with CNIPA
- Technical experts — with backgrounds in engineering, physics, chemistry, and software
- Bilingual professionals — fluent in English and Chinese
- Former examiners and industry veterans — with deep experience in China's patent system
We understand both the law and the technology.
Our Commitment to You
- Quality — Every application is drafted to the highest professional standard
- Speed — We file fast and respond to office actions promptly
- Transparency — You always know the status of your application and the cost
- Accountability — We are accountable to CNIPA and to you
- Innovation — We apply the Patent Parts Methodology and Rongdu Principle to maximize your protection
Contact Us
Chengdu Yuhang Patent Agency (General Partnership)
???? Address: [办公地址可补充]
???? Phone: +86 28 84400310
???? Email: rongduyuanli@163.com
????️ CNIPA Registration No.: 51283
'Your invention is unique. Your protection should be too.'
Contact us for a free 15-minute consultation.
???? +86 28 84400310
???? rongduyuanli@163.com
This introduction is for informational purposes only and does not constitute legal advice. Patent laws vary by jurisdiction. Consult a qualified professional for advice specific to your situation.
