Inventor Patent Application Patent Law Public Use 
LexBlog IP
NOVEMBER 7, 2021
Novelty: An invention or one very similar to it must already be patented, described in someone else’s patent or patent application, described in a printed publication, on sale, or in public use before the application date (with some exceptions granting the inventor a grace period of one year prior to the application date).
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.
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The IPKat
DECEMBER 24, 2022
Board of Appeal finds no legal basis for the requirement to amend the description in line with the claims (T1989/18) (26 Dec 2021) Can amending the description to summarize the prior art add matter to the patent application as filed? (T Artificial intelligence is not breaking patent law: EPO publishes DABUS decision (J 8/20) ST.26
Garrigues Blog
JANUARY 12, 2022
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.
The IPKat
DECEMBER 22, 2023
The topic of prior use has been elevated to the status of a referral to the Enlarged Board of Appeal ( G1/23 ). This week, the UK supreme court finally rejected the appeal by Dr Thaler to have DABUS named as an inventor on a patent application. Use of large language models in the patent industry: A risk to patent quality?
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