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GAF Materials LLC v. Kirsch Research and Development, LLC
Case Number:
Case Type:
IPR
Status:
Final Written Decision
Petitioner:
GAF Materials LLC
Patent Owner:
Kirsch Research and Development, LLC
Tech Center:
2100
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Filed: November 10, 2020 00:00
Coverage
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March 22, 2022
PTAB Munches On 'Grilled Cheese' Analogy In Roofing IP Suit
An attorney for Kirsch Research and Development compared its roofing underlayment patent to a classic American sandwich Tuesday in an effort to persuade the Patent Trial and Appeal Board that rival GAF Materials LLC's challenge to the patent lacks merit.
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March 22, 2022