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Federal Circuit Puts the Brakes on District Court’s Claim Construction

The Federal Circuit today issued a fairly routine claim construction decision, vacating part of the district court's claim construction and remanding. The Court also affirmed the district court's decision to deny Rule 11 sanctions (applying Ninth Circuit law). More details of the case after the jump. Intamin Ltd. sued Magnetar Technologies Corp. for infringement of […]

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Outdoor outfitters at odds over outerwear, order overturned

Competing sporting goods retailers Bass Pro Shops and Cabela's faced off in the Federal Circuit. The parties were involved in an earlier patent infringement suit where Bass Pro Shops sued Cabela's for infringing its patent relating to a vest with a "pivotable seat member." The parties settled that suit, and the court entered an order […]

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Federal Circuit Addresses Claim Differentiation

The Federal Circuit further clarified the doctrine of claim differentiation in Anderson Corp. v. Fiber Composites, LLC. Andersen Corp. owns a number of patent relating to composite materials made from a mixture of polymer and wood fiber as well as patents that relate to structural parts made from those composite materials. Fiber Composites manufactures and […]

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No Crying Over Spilled Milk – Held to Claim Construction During Prosecution

Nouri Hakim appealed the decisions of the District Court of Western Louisiana granting Cannon Avent Group’s motion for summary judgment that Avent did not infringe one of Hakim’s patents (“the ‘931 patent“) and finding another of Hakim’s patents invalid (“the ‘620 patent“). The patents-in-suit involved the art of non-spill drinking cups and the apparatus in […]

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Don’t change horses in midstream: Patentee held to claim construction position taken at lower court

The Federal Circuit ruled today that a patentee could not argue a different claim construction than that argued before the district court. Because of this, the court affirmed the lower court’s grant of summary judgment of noninfringement against the patent holder. Also, the court held that the patent holder did have standing to bring the […]

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Federal Circuit accepts rare interlocutory claim construction appeal

Today the Federal Circuit accepted an interlocutory appeal from a district court relating to patent claim construction. Because of the rarity of such a decision by the Federal Circuit, the court felt compelled to explain, in a precedential order, why it was accepting the order, and so members of the bar wouldn’t get their hopes […]

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“Critical” ratio in claim does not get the benefit of the doctrine of equivalents

Today’s lesson from the Federal Circuit: be careful not to make a claim limitation “critical,” or you may lose the benefit of the doctrine of equivalents for that element. The court found that the claimed weight ratio of two drugs was critical in part because other claims recited a range of ratios, but the claim […]

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Limitations of a Claim Come from the Claim Language Itself

In E-Pass Technologies (“E-Pass”) v. 3Com Corp., Palm Inc., palmOne, Inc. and Handspring, Inc. and Visa International Service Association and Visa U.S.A., Inc. and Palmsource, Inc. (“3Com”), the district court’s holding of final summary judgment of non-infringement by 3Com was affirmed by the Federal Circuit. At issue was a patent (“the ‘311 patent”) entitled “Method […]

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Another claim construction reversal: Claim not limited to preferred embodiment

In a split decision, the Federal Circuit reversed a district court’s judgment of noninfringement based on error in claim construction. The patent at issue involves a machine and method that automate the staining of microscope slides used in biological assays. The district court construed the claims narrowly based on the preferred embodiment described in the […]

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Majority of Federal Circuit appears ready to reconsider claim construction standard of review

Today the Federal Circuit denied rehearing en banc in Amgen, Inc. v. Hoechst Marion Roussel, Inc., a case dealing with synthetic human erythropoietin, a protein that stimulates red blood cell production. In order to rehear a case en banc, a majority of active judges on the court must vote to rehear the case. There are […]

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