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Identifying 102/Category-X Prior Art to Invalidate a Patent on the Tempered Glass Manufacturing Process

Identifying 102 Category X Prior Art to Invalidate a Patent on the Tempered Glass Manufacturing Process

Value Delivered

GreyB identified a 102/Category-X prior art, which helped the client challenge the validity of a patent for a manufacturing process for tempered glass. Our technical insights helped the client argue that the novel aspect of the invention is nothing more than inherent characteristics of the entire manufacturing process.

Problem Solved 

The client was involved in a patent dispute regarding the manufacturing process of tempered glass. The challenge was to determine the exact values of the optical properties of the glass substrate.

A thorough review of both patented and non-patented literature was conducted before the cut-off date. However, the search results primarily focused on the manufacturing process and lacked specific details on the optical values.

Solutions Offered

The literature on the glass tempering method provided specifications regarding the mechanical and chemical characteristics of the process glass substrate. However, the optical properties were not mentioned.

The team overcame this challenge by calculating the desired optical properties using mathematical correlations of mechanical and chemical characteristics (as described in textbooks).

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The Researchers

Senior Research Analyst
Driving strategic invalidity and FTO analysis across complex mechanical, automotive, and consumer electronics patents.
Invalidity (45), Patentability (3), FTOs (5), Validity search (2)

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