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Category Archives: Proximate Causation

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The Patent Legal Malpractice Implications of “Walker Process” Antitrust Claims

Posted in Conflicts of Interest, Inequitable Conduct, Insurance Claims, Legal Malpractice, Patent Litigation, Patent Prosecution, Proximate Causation, Rules of Professional Responsibility

As experienced trial lawyers know, successfully trying or defending a case is all about presenting a compelling, understandable theme and narrative that comports with a judge and jury’s common sense and experience. Juries especially are prone to favor litigants and lawyers they like and case theories they easily understand.  That is human nature on display… Continue Reading

The Jurisdictional Power of the “Case-Within-A-Case” Doctrine in Patent Legal Malpractice Litigation

Posted in Inequitable Conduct, Patent Litigation, Proximate Causation

  The Federal Circuit’s recent precedential decision, Warrior Sports, Inc. v. Dickenson Wright, P.L.L.C. (issued on January 11, 2011), demonstrates (once again) the sheer power and ability of the “case-within-in-case” doctrine to jurisdictionally transform a state law malpractice claim into a case arising under federal patent law. In an unusual twist, the Warrior Sports plaintiff… Continue Reading

Have You Been “Hired,” But Not “Retained”? and Other Life Lessons from Davis v. Brouse McDowell

Posted in Expert Witness, Legal Malpractice, Patent Prosecution, Proximate Causation

Davis v. Brouse McDowell (pdf) is the Federal Circuit’s first precedential patent legal malpractice decision issued in 2010. It offers yet another cautionary tale for both plaintiffs and defendants in their pursuit and defense of patent legal malpractice claims. Most will read and analyze the Davis case for its ultimate holding, i.e., conclusory expert witness testimony regarding… Continue Reading