Street-Lamp Design Patent Declared Fully Invalid
Invalidation request involving prior-design searches, visual comparison, evidence preparation, and analysis of the overall visual effect.
Matter Overview
The matter involved a Chinese design patent covering the appearance of a street lamp. The client sought to challenge the patent based on earlier designs and deficiencies in the claimed overall visual effect.
Client Objective
The client sought removal of the blocking design right to reduce product-launch and market-operation risks.
Key Patent Issues
Our Approach
Prior-Design Search
Conducted targeted searches for earlier street-lamp designs and related public disclosures.
Visual Feature Comparison
Compared the overall shape, proportions, decorative elements, and visual focus of the designs.
Invalidation Petition
Prepared the invalidation request, comparison materials, evidence explanations, and legal arguments.
Proceeding Management
Managed submissions, procedural deadlines, and responses throughout the invalidation proceeding.
Outcome
Design Patent Fully Invalidated
The design patent was declared fully invalid, removing the challenged design right.
Practical Takeaways
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