The District Court for the Northern District of California recently handed down a claim construction order in Microchip Technology Incorporated v. Nuvoton Technology that held the claim limitation “protocol module” was indefin…
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The Eastern District of Texas recently invalidated several patent claims that the court had found indefinite in a separate claim construction ruling in the case Uniloc 2017 v. Samsung. Interestingly, the court found the claim term…
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During a Markman patent claim construction proceeding, the Western District of Texas ruled multiple claims of U.S. Patent No. 7,284,203 invalid for indefiniteness under 35 U.S.C. § 112 because the claims “improperly combine sys…
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When are written description and enablement requirements of 35 U.S.C. § 112 met, and what is a Petitioner’s burden of showing those requirements are not met in a PTAB proceeding? In Instrumentation Laboratory Co. v. Hemosonics…
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The Patent Trial and Appeal Board recently upheld eligibility of claims in a post-grant review, relying on the USPTO’s 2019 Patent Subject Matter Eligibility Guidance (but writing just before the October 2019 update to the USPTO…
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In consolidated cases Niazi Licensing Corp. v. Boston Scientific Corp. and Niazi Licensing Corp. v. St. Jude Medical S.C. Inc. the district court found U.S. Patent 6,638,268 (“the ‘268 patent”) to be invalid under 35 U.S.C.…
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An important lesson for patent drafting – disclose and claim as much detail as you can about how the invention works, as opposed to simply what it does – falls out of a Federal Circuit panel’s split decision holding patent-i…
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Even without the word “means,” claims can be interpreted as means-plus-function, as demonstrated by the Central District of California in a decision in Limestone Memory Systems v. Micron Technologies. The court interpreted the…
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Whether a court holds a patent claim indefinite under 35 U.S.C § 112 can depend on textual support in the body of the claim or in the patent specification. In Luminati Networks, Ltd. v. UAB Tesonet, no. 2:18-cv-299 (E.D. Tex. Aug…
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In William Grecia v. Samsung Electronics (Fed. Cir. 2019) the Federal Circuit affirmed a finding of invalidity for U.S. Patent 8,533,860 (the ‘860 patent) under 35 U.S.C. § 112, ¶2 (indefinite). The invalidly determination for…
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