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The Business of Patents

Federal Circuit Clarifies "Divided Infringement" Rules

Following a remand from the U.S. Supreme Court last June, on May 13, 2015 the Court of Appeals for the Federal Circuit issued another opinion in Akamai Technologies, Inc. et al. v. Limelight Networks, Inc.(Fed. Cir., Slip Opinion Case No. 2009-1372, May 13, 2015).  This time, the Federal circuit considered the circumstances...

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Federal Circuit Clarifies Entire Market Value Rule

Determining patent infringement damages is complicated and often borders on the metaphysical.  Under U.S. law, a patent holder is entitled to damages adequate to compensate for the infringement, but in no event less than a “reasonable royalty.”  In some cases, patent holders can establish damages through lost profits.  However, when that is not...

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Heading Off Obviousness Rejections

Sometimes the best defense is a good offense. Clients often assume that they are entitled to a patent because no single piece of prior art shows all of their invention.  In that case the invention may be novel. However, it does not mean that it is non-obvious.  To qualify for a...

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District Court Claim Construction Factual Findings Reviewable for "Clear Error"

The claims of a U.S. Patent define the scope of the patent holder's right to exclude.  In its 1996 Markman decision, the U.S. Supreme Court held that disputes over the meaning of claim terms are an issue of law to be decided by a judge, not by a jury.  A substantial percentage of patent verdicts...

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Software Patents Continue to Take a Beating in 2014

This has not been a good year for software patents in the United States. Since the Supreme Court issued its decision in June in Alice Corp. v. CLS Bank, 134 S.Ct. 2347 (2014), the Patent Office has been aggressively rejecting software patent applications and the courts have been invalidating issued software patents for...

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