Litigation summary

Litigation History of U.S. Patent 6,185,590

Based on a review of publicly available records, U.S. Patent 6,185,590 has been involved in extensive litigation campaigns, primarily initiated by MPHJ Technology Investments, LLC. The patent was asserted against a large number of companies across various U.S. District Courts.

Below is a non-exhaustive list of known litigation involving this patent. Given the high volume of cases, this represents a sample of the numerous lawsuits filed. The cases often followed a pattern where MPHJ Technology Investments, LLC, acting as the plaintiff, would send demand letters to small businesses and other organizations, alleging infringement and offering to license the patent for a fee, a practice that drew significant public and legal scrutiny.

Notable Cases:

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: D-Link Systems, Inc.
  • Jurisdiction: U.S. District Court for the Southern District of California
  • Case Number: 3:12-cv-02996
  • Filing Date: Dec 11, 2012
  • Status/Outcome: This case was part of a broader, multi-district litigation strategy. Records indicate the case was terminated, which often suggests a settlement or dismissal.

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: Lexmark International, Inc.
  • Jurisdiction: U.S. District Court for the Southern District of California
  • Case Number: 3:12-cv-03031
  • Filing Date: Dec 17, 2012
  • Status/Outcome: The case was terminated. Lexmark was one of several major technology companies targeted by MPHJ.

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: The Coca-Cola Company
  • Jurisdiction: U.S. District Court for the District of Delaware
  • Case Number: 1:13-cv-00826
  • Filing Date: May 03, 2013
  • Status/Outcome: The case was voluntarily dismissed by MPHJ Technology Investments, LLC. This was a common outcome in many of the cases filed.

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: J.C. Penney Company, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:13-cv-00345
  • Filing Date: May 14, 2013
  • Status/Outcome: Dismissed.

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: GBCblue
  • Jurisdiction: U.S. District Court for the District of Vermont
  • Case Number: 2:13-cv-00170
  • Filing Date: June 21, 2013
  • Status/Outcome: Dismissed. This case is notable as it was part of a series of actions that led to the State of Vermont suing MPHJ for deceptive practices, a landmark event in the context of patent assertion entity activities.

• Plaintiff: MPHJ Technology Investments, LLC

  • Defendant: Ricoh Americas Holdings, Inc.
  • Jurisdiction: U.S. District Court for the District of Delaware
  • Case Number: 1:13-cv-00827
  • Filing Date: May 03, 2013
  • Status/Outcome: Voluntarily dismissed.

Appellate Litigation:

The patent has also been the subject of appeals at the U.S. Court of Appeals for the Federal Circuit (CAFC).

• Case Number: 14-1481

  • Jurisdiction: U.S. Court of Appeals for the Federal Circuit
  • Details: This case involved MPHJ Technology Investments, LLC. The specific parties and underlying district court case require further detailed docket review, but it is part of the broader enforcement campaign.

• Case Number: 14-0137

  • Jurisdiction: U.S. Court of Appeals for the Federal Circuit
  • Details: This appeal also involved MPHJ Technology Investments, LLC, related to its litigation activities.

The provided patent text and search results from Unified Patents and Darts-ip confirm extensive litigation involving U.S. Patent 6,185,590, with MPHJ Technology Investments, LLC as the primary asserting entity.