China Patent Filing
Tailored CNIPA Prosecution. End-to-end filing services securing robust protection for corporate innovations.
Trusted China Patent & Trademark Agency for Global Businesses
Bilingual Technical Attorneys, Direct Filing with CNIPA
Clear communication with assigned IP consultant
28 patent agents + 60 patent engineers (1‑on‑1 drafting support)
Network in 50+ countries (for cross‑border coordination)
Get a Free Consultation
Your information is kept confidential.
70%+
Invention Grant Rate
95%
Utility Model Grant Rate
98%
Design Patent Grant Rate
2008
Established
Professional Patent
Review & Filing
* Specialized Solutions for Strategic IP Management
Comprehensive IP Protection Services
Our wide range of IP services is specifically designed to address your strategic patent and trademark needs effectively and efficiently.
- Get CNIPA Filing
- Request Supplier Risk Review
China Supplier Protection Agreement
Customized NNN Agreements designed specifically for China manufacturing relationships, including enforcement-ready clauses.
- Protect Your Brand
China Trademark
Strategic Brand Defense. Comprehensive clearance and anti-squatting measures tailored for global brands.
- Build Patent Value
High‑Value Patent Strategy
Build IP Moats. Advanced claim structuring designed to maximize the commercial value of your patents.
- Enforce Your Rights
Patent Litigation & Enforcement
Aggressive Enforcement. Proven legal representation in complex infringement disputes and invalidation proceedings.
Comprehensive Intellectual Property Packages
Secure your innovations in China with our expert CNIPA filing and search services.
Patent Search
$0 USD / per invention(attorney fee)
- Prior art search and basic patentability assessment
- Novelty and risk evaluation
- Filing feasibility recommendation
Trademark Search + Filing Package
$400 USD / per class(attorney fee)
- Detailed trademark availability search
- Chinese trademark naming suggestions
- Full CNIPA trademark application filing and submission
China Design Patent
From $400 USD (attorney fee)
- Protection for product appearance and industrial design
- Includes drawings preparation guidance and CNIPA filing
- Suitable for packaging, product shape, and visual design elements
China Utility Model Patent
From $900 USD (attorney fee)
- Faster protection route for functional improvements
- CNIPA filing and procedural handling included
- Commonly used for mechanical or structural innovations
- Case communications and deadline tracking
China Invention Patent
From $1800 USD (attorney fee)
- Full substantive examination filing before CNIPA
- Suitable for core technical innovations and long-term protection
- Preparation or filing support for the substantive examination stage
- Routine examination responses and grant formalities
PCT & China National Phase
From $500 USD (attorney fee)
- Review of the PCT documents and China national-phase requirements
- Preparation and filing of the national-phase application
- Chinese translation and technical review according to the source text
- Application updates and filing communication
* Expertise You Can Trust
A Highly Qualified Team Dedicated to Your Success
Consult our team of expertsOur experienced professionals bring diverse backgrounds in mechanical, electrical, chemistry, biotech, and telecom fields, committed to your IP success.
Chenxing Yao
Experience: 10 Years
Technical Focus: Mechanical Engineering & Software.
Service Scope: Patent application drafting, technology mining, portfolio layout, and IP enforcement.
Yuan Gao
Experience: 8 Years
Technical Focus: Mechanical Engineering, Automation & Smart Structures.
Service Scope: Patent application drafting, patent search, risk analysis, and strategic IP layout.
Xiaowei Huang
Experience: 6 Years
Technical Focus: Mechanical Engineering, Chemistry & Materials Science.
Service Scope: Patent application drafting, OA responses, and comprehensive IP consulting.
Lingxi Wu
Experience: Extensive Industry Experience
Technical Focus: Electronic Information, New Energy, Advanced Manufacturing & Automation.
Service Scope: Patent prosecution, IP enforcement, and case management optimization.
* Simple, Structured Process
Recognized and Trusted by Industry Leaders
Our esteemed client base and professional accreditations underscore our reliability and expertise.
* We Understand Your Specific Needs
Tailored IP Solutions for Your China Market Entry
Whether you're an overseas enterprise entering China or an international law firm seeking a reliable IP partner, we deliver customized solutions.
Overseas Companies Entering China
Secure your innovations and trademarks with clear, English-friendly IP protection.
Overseas Law Firms / IP Firms
Reliable local counsel offering fixed fees, clear reporting, and quick turnarounds.
Specialized Solutions for Strategic IP Management
Comprehensive IP Protection Services
Our wide range of IP services is specifically designed to address your strategic patent and trademark needs effectively and efficiently.
China Patent Filing
Comprehensive drafting & filing services (Invention, Utility Model, Design).PCT National Phase in China
Expert bilingual coordination, timely filings, and compliance management.China Trademark
Fast trademark search and filing services, including Madrid Protocol.High‑Value Patent Strategy
Strategic patent drafting, prior-art search, and claim optimization.Patent Litigation & Enforcement
Robust support for patent invalidation, infringement litigation, and legal compliance.
* Excellence in IP Outcomes
Why Tong Hui
Tong Hui stands apart through a results-driven approach, efficient processes, and comprehensive support to maximize your IP assets.
Results-Driven Approach
We focus on securing high grant rates (70%+ for inventions) and robust IP portfolios for your competitive advantage.
Efficient & Timely Service
Same-day patent submission, guaranteed 8-hour response, and structured, transparent processes.
Comprehensive Lifecycle Support
Our exclusive 11-point consulting service guides your IP strategy from conception to enforcement, ensuring your intellectual assets remain secure and valuable.
* Simple, Structured Process
Our Streamlined IP Protection Process
Follow our clear, structured process to ensure your IP protection is both effective and hassle-free from initial consultation to final filing.
Send your request
Get in touch via our easy-to-use form or email.
Rapid Review
Initial evaluation and response within 8 hours.
Prior-Art Search
Comprehensive patentability assessment (recommended).
Drafting with 1‑on‑1 engineer support
Professional patent engineers ensure technical accuracy and strength.
Filing & Management
Bilingual filing process, timely updates, and strategic prosecution.
* CONTACT US
Get in Touch with Our IP Experts
We're here to support your IP journey. Contact us today for a prompt, expert response.
Whatsapp
+86 15896293858Address
Room 351, 3rd Floor, Building 435, Baiziwan Xili, Chaoyang District, Beijing
Phone
+86 15896293858
Frequently Asked Questions
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We have bilingual specialists ensuring clear and efficient communication.
We’ll guide you step-by-step with clearly outlined document requirements.
Typical timelines provided upfront; express services available.
Yes, we offer transparent, fixed-fee options tailored to your project.
Absolutely, confidentiality agreements provided upon request.
Regular, scheduled updates (weekly/bi-weekly) or as per client preference.
Yes, we routinely partner with overseas law firms and IP agencies to provide seamless local representation and support.
