Prosecution History Estoppel Limits Design Patent Amendments

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A fascinating ruling dealing with design patents, amendments made during prosecution, and limitations on claim scope was handed down by the Court of Appeals for the Federal Circuit on September 12, 2019 in Curver Luxembourg, Sarl v. Home Expressions Inc..[1]  Curver is an important piece in an otherwise scant design patent case law. Curver Luxembourg …

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Fed Circuit Watch: Cat’s Out of the Bag: Continuous Reduction to Practice is Reasonable Diligence

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Arctic Cat Inc. has been involved in a few patent-related cases in recent years, including one case from 2018 which we discussed on this blog dealing with the law of obviousness’s motivation to combine analysis under 35 U.S.C. §103.  Its most recent foray into the Court of Appeals for the Federal Circuit resulted in its …

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Fed Circuit Watch: Pre-Critical Date Surgeries Not Invalidating Public Uses

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In the first split precedential decision of 2019 by the Court of Appeals for the Federal Circuit, the Fed Circuit assessed the issues of invalidating public disclosure versus an inventor’s exception to experimentally perfect an invention for its intended purpose.  That case, Barry v. Medtronic, Inc.,[1] decided on January 24, 2019, split heavily because of …

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SCOTUS Watch: On-Sale Bar Still Valid Under AIA

102 AIA on-sale bar patent pre-AIA scotus watch

On January 22, 2019, the United States Supreme Court handed down a highly anticipated ruling that has caused measurable discrepancies amongst the patent community after the America Invents Act (AIA) was enacted.  That ruling, Helsinn Healthcare S.A. v. Teva Pharms. USA, Inc.,[1] held that the on-sale bar applies to confidential sales more than one year …

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Fed Circuit Watch: Different Evidence + Different Standards of Review = Different Validity Result

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The Court of Appeals for the Federal Circuit presented an interesting paradox in patent validity challenges, especially when the same parties bring forth essentially the same issues, but have different results in different federal agency or judicial reviews, as was seen in Nobel Biocare Services AG v. Instradent USA, Inc.,[1] decided on September 13, 2018. …

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Fed Circuit Watch: PTAB Anticipation Analysis All Wrong

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Anticipation in patent law means the claimed invention lacks novelty, or is not new; in other words, the invention was already invented.[1]  Anticipation, as codified in 35 U.S.C. §102(a) (or §102(b) in pre-AIA statute), is the gateway substantive legal analysis which must take place in order to assess patentability of an invention.  Therefore, when the …

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Fed Circuit Watch: Hyperlinked Material in Federal Register Notice is Prior Art

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What constitutes prior art is not as easy as it may seem.  While it may be uncontroverted that a Federal Register notice is prior art, the hyperlinked materials in that notice is what was at issue in Jazz Pharm., Inc. v. Amneal Pharm., Inc.,[1] decided by the Court of Appeals for the Federal Circuit on …

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SCOTUS Watch: Challenge to Secret AIA On-Sale Bar as Helsinn Granted Certiorari

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On June 25, 2018, the United States Supreme Court granted the petition for writ of certiorari requested by Helsinn Healthcare S.A.  In the appellate case which had been winding its way through the federal courts, Helsinn Healthcare S.A. v. Teva Pharmaceuticals USA, Inc.,[1] the Court of Appeals for the Federal Circuit ruled against Helsinn in …

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Fed Circuit Watch: Swearing Behind Must be Supported by Sufficient Evidence

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On April 17, 2018, the Court of Appeals for the Federal Circuit held in Apator Miitors ApS v. Kamstrup A/S,[1] that in order for a patent assignee to swear behind a reference by antedating its own conception, it must do so by more than just merely providing the inventor’s statement of conception. The facts are …

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Fed Circuit Watch: Unreasonably Broad PTAB Claim Construction Reversed

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On March 19, 2018, the Court of Appeals for the Federal Circuit rejected, in In re Power Integrations, Inc.,[1] a PTAB decision finding that claims were invalidated as anticipated as unreasonably overbroad.  The claim construction was subject in an ex parte reexamination of Power Integrations’ U.S. Patent No. 6,249,876 (‘876).  ‘876 is directed to “Frequency …

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