• Segway® HT

    The core technology for self-balancing personal transporters, such as the famous Segway® HT Human Transporter, is protected by a portfolio of patents secured by Sunstein. Patented features make the Segway® HT intuitive to ride, control and steer.

  • Electric Motors

    Sunstein won, and defended on an appeal, a $25 million judgement for our client Comair Rotron, including a rare award of treble damages and attorney’s fees, based on the willfulness of the defendant’s infringement of a patent for technology that improves the operation and lowers the cost of manufacturing electric motors.

  • Pregnancy Test

    In federal court in San Diego, Sunstein won a judgement of validity and infringement of Abbott Laboratories’ patent for strip immunoassay technology technology used in pregnancy test kits.

  • Stirling Engine

    Stirling engines use externally applied heat to deliver clean, quiet power for a variety of applications. We have secured a portfolio of patents for New Power Concepts LLC that relate to mechanical components of Stirling cycle heat engines. One patent relates to the engine’s operating efficiency and durability, while significantly reducing size, complexity and cost.

Juries. Patents. Success.

Comair Rotron, Inc. v Matsushita Electric Corp. of America

We obtained a $25 million jury verdict against industry giant Panasonic for willful infringement of our client Comair’s patents on fans for electronic equipment.

Gates Formed-Fibre Products, Inc. v. Delaware Valley Corp.

By persuading a jury that the patents in suit were invalid, we successfully defended our client against accusations of infringement concerning a process for making fused-back automotive carpeting.

Winning at Post Grant Proceedings

Samsung Electronics Co., Ltd. v. Arendi  S.A.R.L.

Samsung attacked our client’s patent in the Patent Trial and Appeal Board (PTAB) on grounds of obviousness. We persuaded the PTAB that an element of the claims was not disclosed by the cited references and thus prevented the inter partes review from even being instituted.

Click here for our Inter Partes Review flowchart, which shows a comprehensive timeline of deadlines and steps in an IPR proceeding.

Spotlight on Patents

diagram1 For our client Dr. Leslie Stern of Fall River, Massachusetts, we recently obtained US Patent No. 8,460,310, describing a medical device for use in minimally invasive spine surgery.

In the News

Our Latest Thinking

  • Trademark litigants might change their tactics now that the Supreme Court has held that rulings of the Trademark Trial and Appeals Board may preclude subsequent litigation of the same issue in federal court.

  • US patent owners can enforce their rights against infringers who act mostly overseas, but only to the extent of a nexus with the US.

  • For US inventors, it’s easy to get broader and stronger protection for industrial designs, now that the US has joined an international treaty.

  • Recent decisions put added pressure on software developers to recite a sufficiently definite structure to support means-plus-function patent claims.

  • The PTAB has typically construed patent claims more broadly than do the federal trial courts, which can expose patents to invalidation. The Federal Circuit has eased that concern by shrinking the difference between the administrative and judicial standards.

  • The Federal Circuit has brought order to the process of navigating patent challenges and appeals through the PTAB and federal courts.


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