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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In a tentative ruling, a court held the claim term “processor” did not invoke means-plus-function construction and was not governed by 35 U.S.C. §112¶6. Realtime Adaptive Streaming LLC v. Adobe Systems Inc., No. cv 18-9344-G…
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The Southern District of Texas issued an interesting Markman ruling in ConocoPhillips v. In-Depth Geophysical. While the court construed most of the claim terms in ConocoPhillips’s favor, In-Depth managed to secure rulings that…
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