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

Garrigues Blog

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. What is the right of prior use or “pre-use”?

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

Patently-O

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). The case has major implications for the relationship between patent rights and trade secret rights.

Patent 40
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“What’s Mine Is Not Yours To Give Me”—Nor To Take Without Just Compensation: A New Jersey’s Reaction To Sovereign Immunity, Intellectual Property, & Takings

LexBlog IP

And, it goes like this–the relevant concept in the United States is that a person shall “ no[t] be deprived of life, liberty, or property, without due process of law; nor shall private property be taken for public use, without just compensation.” Wright , 94 U.S. ”); James v. Campbell , 104 U.S. 2d 480 (Fed.