Tag Archives: Patent Trial and Appeal Board

Solar Tracking Patent Disputed: ArcelorMittal v. Array Technologies

  • ArcelorMittal has challenged the validity of a solar tracking patent owned by Array Technologies in a petition filed with the Patent Trial and Appeal Board
  • Array Technologies had previously brought infringement claims against a solar tracking company called Exosun. ArcelorMittal later bought assets from Exosun, which may have prompted ArcelorMittal’s challenge to the Array Technolgies patent.

International steel and manufacturing giant ArcelorMittal filed a petition in March at the Patent Trial and Appeal Board challenging the validity of a solar tracking patent owned by Array Technologies, Inc. If successful, ArcelorMittal’s challenge could result in the cancellation of a significant portion of Array Technologies’ U.S. Patent No. 8,459,249. Continue reading Solar Tracking Patent Disputed: ArcelorMittal v. Array Technologies

Federal Circuit Upholds Validity of Philips Patent on Dimmable LEDs

  • The Patent Trial and Appeal Board recently decided that a Philips patent on dimmable LED technology is valid despite a challenge from a competitor. That decision was later affirmed by the U.S. Court of Appeals for the Federal Circuit.
  • The patent at issue has been well-litigated, with Philips asserting the patent against numerous competitors in federal courts and at the U.S. International Trade Commission.

A patent directed to dimmable LED technology was upheld as valid in an appeal to the U.S. Court of Appeals for the Federal Circuit. The patent is owned by Philips Lighting North America Corporation, a subsidiary of Dutch consumer product giant Koninklijke Philips N.V. The Federal Circuit’s decision marks the unsuccessful conclusion of a challenge to the patent’s validity brought by a competitor of Philips Lighting called Wangs Alliance Corporation, which does business under the name WAC Lighting. Continue reading Federal Circuit Upholds Validity of Philips Patent on Dimmable LEDs

Varentec Dodges Gridco Requests for Inter Partes Review

  • An inter partes review is an administrative proceeding that asks the U.S. Patent and Trademark Office to invalidate a U.S. Patent. These reviews are commonly used by patent litigation defendants to challenge the validity at the U.S. Patent and Trademark Office of patent claims that have been asserted against them in a U.S. District Court.
  • After Varentec sued Gridco for patent infringement, Gridco requested inter partes reviews for the asserted patents. However, Gridco’s requests were denied.

Grid management solutions company Varentec, Inc., dodged a pair of requests by rival Gridco, Inc. to invalidate Varentec’s U.S. patents this week. Gridco had challenged Varentec’s patents at the Patent Trial and Appeal Board (PTAB), an administrative tribunal within the U.S. Patent and Trademark Office (USPTO) that hears claims against the validity of U.S. patents.   The PTAB denied Gridco’s requests for review of U.S. Patent Nos. 9,014,867 and 9,293,922. These related patents are owned by the Santa Clara-based Varentec and are directed to optimizing power delivery to consumers on an electrical grid with significant distributed generation. Continue reading Varentec Dodges Gridco Requests for Inter Partes Review

Itron Earns Review of Smart Meter Patent

  • An inter partes review is an administrative proceeding that asks the U.S. Patent and Trademark Office to invalidate a U.S. Patent. These reviews are commonly used by patent litigation defendants in an attempt to invalidate patent claims that have been asserted against them.
  • Itron requested inter partes review of a patent owned and asserted by Smart Meter Technologies. Itron’s request was granted.

The Patent Trial and Appeal Board has agreed to review the validity of a smart utility meter patent owned by Smart Meter Technologies, Inc. (“SMT”). The validity challenge was filed by Itron, Inc., a manufacturer of smart utility meters and provider of grid monitoring and control technologies. In a decision dated October 11, 2017, the Board found that Itron had brought forth sufficient evidence of the patent’s invalidity to warrant a review proceeding.

Continue reading Itron Earns Review of Smart Meter Patent