Patent Invalidation Support in China
Strategic support for challenging or defending Chinese patent rights through validity analysis, prior-art review and CNIPA invalidation proceedings.
Patent Invalidation Services in China
Our Patent Invalidation Process
Four key stages from initial validity review through CNIPA proceedings
1. Case & Patent Review
Review the patent, relevant claims, prosecution history, dispute background and the client's objectives.
2. Prior-Art & Validity Analysis
Identify prior art and evaluate novelty, inventiveness and other potential grounds affecting the validity of the relevant claims.
3. Invalidation Strategy & Filing
Develop claim-specific invalidation or defense arguments and prepare the supporting evidence and procedural strategy.
4. CNIPA Proceedings
Coordinate written submissions, evidence, oral hearings and subsequent procedural developments before CNIPA.
Why Choose Reehor IP
Claim-Level Validity Analysis
Validity is assessed claim by claim with attention to the grounds that can materially affect the dispute.
Targeted Prior-Art Strategy
Prior-art searching is focused on the technical features and legal issues most relevant to the challenged claims.
Coordinated Dispute Strategy
Invalidation strategy is considered together with infringement, litigation and broader commercial objectives.