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Home / Case Studies / How a Simple Google Lens Search Invalidated a $50 Million Cab-Booking Patent

How a Simple Google Lens Search Invalidated a $50 Million Cab-Booking Patent

How a Simple Google Lens Search Invalidated a $50 Million Cab Booking Patent

Value Delivered

The identified prior art helped client prevent infringement liabilities exceeding $50 million. It strengthened their non-infringement and prior-disclosure arguments, significantly reinforcing their position in the high-profile litigation. 

Problem Solved 

The patent under scrutiny claimed a unique method for assigning a driver who was already completing a ride, along with a UI explanation showing why that driver was the best match. Conventional searches spanning patent databases, non-patent literature, and technical documentation yielded only partial overlaps. These sources described drivers completing previous rides or estimated arrival times. However, none provided the explicit reasoning behind assignment, which was the heart of the disputed claim.

Initial searches across IPC/CPC classes, F-terms, narrow keywords, and top-assignee filings surfaced only partial overlaps. Most interfaces showed driver status, but none revealed the underlying “reasoning” logic.

Solutions Offered

During a forum review, the team noticed an app where drivers received their next ride before finishing the current one. Exploring the app designer’s website revealed UI snippets that matched the target features. However, these images lacked reliable timestamps. 

To refine the search, the team ran these images through Google Lens and paired them with the UI text enclosed in quotes. This led them to an obscure webpage displaying the same interface. The page was indexed on the Web Archive, providing a verifiable, pre-priority date source.

This discovery became the decisive prior art, addressing every missing claim element, including the reasoning behind driver assignment, and offering fully traceable evidence predating the patent.

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The Researchers

Research Analyst
Patent & Technology consultant helping companies to solve their complex R&D challenges
Team Lead
Patent & Technology consultant helping companies to solve their complex R&D challenges

Invalidation Searches – 200+
Strength Check – 60+
Patentability Search – 300+
Freedom to Operate – 150+
Design Search – 50+
Landscape – 20+

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