Litigation summary

Litigation History of U.S. Patent 6,161,149

U.S. Patent No. 6,161,149, titled "Centrifugal communication and collaboration method," has been the subject of multiple patent infringement lawsuits initiated by Sampo IP, LLC, a wholly-owned subsidiary of Marathon Patent Group, Inc. The lawsuits targeted a wide range of companies across various sectors.

Below is a detailed list of the known litigation involving this patent:

1. Lawsuits Filed in the United States District Court for the Eastern District of Texas:

• Case 1:

  • Plaintiff: Sampo IP, LLC
  • Defendants: E*Trade Financial Corporate Services Inc., Liberty Mutual Group Inc., Aetna Inc., Avon Products Inc., Starbucks Corporation, Yum! Brands Inc., Hewlett-Packard Company, and Alcatel-Lucent USA Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Filing Date: May 6, 2013
  • Case Number: Information not publicly available in the search results.
  • Outcome/Current Status: Information not publicly available in the search results.

• Case 2:

  • Plaintiff: Sampo IP, LLC
  • Defendants: Ambit Energy Holdings, LLC, BMC Software Inc., HomeAway, Inc., Hoover's Inc., and Ristken Software
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Filing Date: May 13, 2013
  • Case Number: Information not publicly available in the search results.
  • Outcome/Current Status: Information not publicly available in the search results.

2. Lawsuit Filed in the United States District Court for the Eastern District of Virginia:

• Plaintiff: Sampo IP, LLC
• Defendants: Blackboard, Inc. and Salesforce.com, Inc.
• Jurisdiction: U.S. District Court for the Eastern District of Virginia
• Case Number: 2:13-cv-00601
• Filing Date: November 12, 2013
• Outcome/Current Status: Information not publicly available in the search results.

3. Lawsuits Filed in the United States District Court of Delaware:

• Case 1:

  • Plaintiff: Sampo IP, LLC
  • Defendants: Facebook, Inc., Intuit Inc., and Amazon.com, Inc.
  • Jurisdiction: U.S. District Court of Delaware
  • Filing Date: February 10, 2014
  • Case Number: Information not publicly available in the search results.
  • Outcome/Current Status: Information not publicly available in the search results.

• Case 2 (Involving other patents from the same family):

  • Plaintiff: Sampo IP, LLC
  • Defendants: LinkedIn Corporation and eBay Inc.
  • Jurisdiction: U.S. District Court of Delaware
  • Filing Date: February 10, 2014
  • Note: While filed on the same day as the lawsuit against Facebook, et al., the press release for this case asserts infringement of U.S. Patent Nos. 6,772,229 and 8,015,495, but does not explicitly mention U.S. Patent No. 6,161,149.
  • Case Number: Information not publicly available in the search results.
  • Outcome/Current Status: Information not publicly available in the search results.

The available information, primarily from press releases issued at the time of the filings, does not provide the specific outcomes or the current status of these legal actions. Further research into federal court dockets would be required to ascertain the final disposition of each case.