News & Analysis as of

Patent Prosecution Patent Act

Wolf, Greenfield & Sacks, P.C.

Strategic Uses and Considerations for Reissue Applications (Part 3 of 3)

Reissue applications represent a very small fraction of the total number of applications filed at the USPTO each year. Indeed, at the midpoint of 2025, over 1.2 million utility applications have been filed, with less than 300...more

Wolf, Greenfield & Sacks, P.C.

Strategic Uses and Considerations for Reissue Applications (Part 1 of 3)

Reissue applications represent a very small fraction of the total number of applications filed at the USPTO each year. Indeed, at the midpoint of 2025, over 1.2 million utility applications have been filed, with less than 300...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

Smart & Biggar

Office Actions: Options to consider when you need an extension of time to respond to the Patent Office

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The extensive amendments to the Patent Act and Patent Rules that came into force on October 30, 2019 have complicated the practice for responding to an Office Action (i.e. an “Examiner’s Report”) issued by the Canadian Patent...more

Smart & Biggar

Foreign Prosecution History Evidence Permitted under Section 53.1 of the Patent Act

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The Federal Court has now released the first decision in which the scope of Section 53.1 of the Canadian Patent Act—the so-called “file wrapper estoppel” provision—has been considered. We recently published an IP Update...more

Smart & Biggar

File wrapper estoppel in Canada

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The Canadian Patent Act was amended last year to include a new provision which allows prosecution histories into evidence in patent proceedings to rebut representations made by the patentee regarding claims construction. ...more

Smart & Biggar

Detailed overview of deadlines and requirements under the new Canadian Patent Rules coming into force on October 30, 2019

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Recently, the government of Canada published the final version of the new Patent Rules (SOR/2019-251) in Canada Gazette, Part II on July 10, 2019. The new Rules and associated amendments to the Patent Act will come into force...more

Smart & Biggar

Contrasts and Distinctions: Canadian Patent Law Developments in 2018

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2018 served up a smorgasbord of disparate patent law developments in Canada. Most notably, ratification of a new trade agreement negotiated amongst Canada, the United States and Mexico would require introduction of a patent...more

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