China filing
Services
Cross-border patent services built around portfolio value, not paperwork.
Ma Su Team works on two core tracks: overseas patent layout for Chinese companies and individual inventors, and China patent layout for overseas innovation teams entering the Chinese market.
Core services
Choose the service by the problem you need solved.
- China patent filing strategy for overseas applicants and foreign patent firms
- PCT national phase entry strategy in China
- Former-examiner patentability and grant-risk screening
- Claim reconstruction
- Office action response strategy
- China FTO analysis and patent claim comparison
- Patent-map guided innovation
- Patent portfolio layout
- R&D patent mining workshop
- Technology transfer IP review
- AI-era science innovation education
China services for overseas applicants
Service pages for high-intent overseas patent inquiries.
These pages are written for overseas applicants, foreign patent firms, startups, universities, and technology transfer teams searching for practical China patent support.
PCT entry
PCT national phase entry in China
Pre-entry claim review, support analysis, amendment-room check, and China national phase strategy.View serviceOffice action
China patent office action response
Inventive-step arguments, claim amendments, feature comparison, and examiner-style response logic.View serviceFTO
FTO analysis and claim chart in China
China FTO search, legal status review, claim charting, risk ranking, and design-around suggestions.View servicePortfolio
China patent portfolio strategy for foreign companies
Product coverage, filing sequence, improvement filings, defensive layout, and competitor-aware planning.View serviceClaims
Patent claim drafting and reconstruction for China
Claim hierarchy, fallback features, support review, amendment room, and Chinese examination logic.View serviceFor Chinese innovators going overseas
A practical route for building stronger overseas patent portfolios.
中文企业如正在搜索出海FTO、海外专利风险、专利布局、规避设计或PCT国际申请策略，可先阅读专门的中文服务页。
- Send us your invention disclosure, product brief, target markets, PCT status, or draft claims
- We identify the real technical contribution, overseas filing priorities, and likely examination risks
- We recommend claim reconstruction, jurisdiction sequence, PCT/national-phase choices, and portfolio hierarchy
- We explain the overseas patent strategy clearly for founders, executives, inventors, and patent counsel
For overseas innovators entering China
China-side examination and portfolio strategy.
Suitable for overseas founders, companies, universities, and patent counsel that need China patentability triage, office action reasoning, claim strategy, and client-facing China explanations.
View China patent services for overseas applicantsFor patent-map innovation
From invention mining to cross-border portfolio layout.
Suitable for Chinese companies, individual inventors, schools, and technical teams that need a repeatable route from real problems to patentable solutions and overseas protection.