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Patents Patent Re-Examination Patent Invalidity

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – July 2025

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more

Smart & Biggar

Canadian Patent Law 2023: A Year in Review

Smart & Biggar on

In our annual review of developments in Canadian patent law, we considered over 60 patent decisions reported last year. This article highlights statutory changes and a selection of interesting points addressed in the reported...more

Smart & Biggar

Federal Court stays re-examination of glatiramer acetate patent pending appeal in PMNOC proceeding

Smart & Biggar on

On April 26, 2021, the Federal Court granted Teva’s motion for a stay of the re-examination proceeding commenced by Pharmascience in respect of Canadian Patent No. 2,760,802 (802 patent) relating to glatiramer acetate (Teva’s...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Global Patent Prosecution - August 2020: Survey of PTAB and CNIPA Proceedings in View of Proposed Regulations Regarding...

In April, the Supreme People’s Court of China published a draft for comment for “Provisions of the Supreme People’s Court on Several Issues Concerning the Trial of Administrative Cases Involving Patent Authorization and...more

Hogan Lovells

Invalidation of Chinese patent based on a finding of lack of domestic priority

Hogan Lovells on

Recently, the Chinese Patent Reexamination Board (PRB) published a written decision where patentee Chen He’s Electric Unicycle patent (CN102275621B) was invalidated based, partly, on a failure to establish sufficient domestic...more

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