Invention, Patent Infringement, Patent Law 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

The owner of a patent cannot enforce their rights against those who used the invention covered by the patent or made serious preparations for such use before the priority date. All of us at the Garrigues IP Blog would like to wish you a very happy new year. 644/2006, of 6 April 2006 : Objective identity.

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

In 2016, over a year after it began selling Ace-K, Celanese filed patent applications on its heretofore secret Ace-K process. Celanese sued Jinhe for patent infringement at the International Trade Commission (ITC). But, the problem is that the statute expressly asks whether the invention was “on sale.”

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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