Art Confidentiality Patent Law Public Use 
Patently-O
AUGUST 13, 2021
The 1836 Patent Act added the caveat that no patent should issue on an invention previously “described in any printed publication.” ” That language has carried through the various major patent law overhauls and continues as a prominent aspect of 35 U.S.C. 102(a)(1).
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 ). The free evaluation of evidence of prior use (T 0042/19) New EBA referral: When is prior use of a product excluded from the prior art for lack of enablement? This is one to watch for 2024.
Expert insights. Personalized for you.
90 
Let's personalize your content