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Claim Duality: Multiple Dependent Claims Can Be Both Patentable and Unpatentable

Addressing, for the first time, the issue of patentability of multiple dependent claims under 35 U.S.C. § 112, fifth paragraph, the Director of the US Patent & Trademark Office (PTO) granted rehearing and modified the Patent...more

Terms of Degree Not Always Indefinite

The US Court of Appeals for the Federal Circuit overturned a district court determination that the claim terms “resilient” and “pliable” were indefinite. The Federal Circuit found that the claims, while broad, were...more

What Preclusion? Post-IPR Reexam Moves Forward

The US Court of Appeals for the Federal Circuit revived a petitioner’s validity challenge seeking ex parte review at the US Patent & Trademark Office (PTO), reversing a district court decision dismissing its complaint seeking...more

2022 IP Outlook Report: The Developments Shaping Patent Law

KEY TAKEAWAYS AND OUTLOOK FOR 2022 - Tracking with this era’s continuation and uncertainty trends―global supply chain disruption, innovation outpacing legislation, the unstoppable internet of [all the] things (IoT)―2022 is...more

3D Chess at the Federal Circuit: Can't Walk Back Arguments in Prior Appeal or Prosecution History

In the second appeal to the US Court of Appeals for the Federal Circuit, the preamble term “three-dimensional spreadsheet” was found to be a limitation in the context of claims directed to organizing and presenting...more

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