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.
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.
SpicyIP
AUGUST 15, 2021
Anticipation by Prior Publication and Lack of Novelty. The defendant argued that CTPR was disclosed and published in US’424, US’357 and EP’508 patents which are Markush type patents and have priority dates even prior to IN’978. Things to Look Out for at the Trial.
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