Inventor, Patent Application, Patent Infringement and Public Use

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I was already like this before you got here: prior use as an exception to patent infringement

Garrigues Blog

JANUARY 12, 2022

What is the right of prior use or “pre-use”? In an earlier blog, we discussed “prior public use” as grounds for opposing the grant of European patents (see here ). In addition, a third party’s use of an invention before its registration by another is also relevant to assess patent infringement.

Patent Infringement

Patent Infringement Invention Patent Patent Law

Celanese v. ITC: Can a Secret Manufacturing Process Be Patented After Sale of the Resulting Product?

Patently-O

MARCH 4, 2024

by Dennis Crouch The Federal Circuit held oral arguments on March 4, 2024 in the important patent case of Celanese Int’l. The question: Under the AIA, does sale of a product by the patent applicant prohibit the patentee from later patenting the process used to make the product? v ITC , 22-1827 (Fed.

Patent

Patent Invention Inventor Patent Application

Intellectual Property Pulse

I was already like this before you got here: prior use as an exception to patent infringement

Celanese v. ITC: Can a Secret Manufacturing Process Be Patented After Sale of the Resulting Product?

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