Patent 6537227

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

Active provider: Google · gemini-2.5-flash

No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.

Cases on file (0)

Specific litigation cases in our database that name US patent 6537227. The free-form analysis below may also discuss cases beyond this list.

No cases on file mention this patent. Upload a CSV or add a case manually in Admin → Manage litigation cases.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

Known litigation involving US patent 6537227 includes the following:

1. Polar Electro Oy v. Suunto Oy, Amer Sports Winter & Outdoor, and Firstbeat Technologies Oy

  • Plaintiff(s): Polar Electro Oy
  • Defendant(s): Suunto Oy, Amer Sports Winter & Outdoor (ASWO), Firstbeat Technologies Oy
  • Jurisdiction: United States District Court for the District of Delaware
  • Case Number: 1:11-cv-01100
  • Filing Date: Approximately 2011 (based on case number and reported appeal timeline)
  • Outcome/Current Status: The District Court dismissed the complaint against Suunto Oy for lack of personal jurisdiction. Polar Electro Oy appealed this dismissal. ASWO and Firstbeat Technologies Oy remained in the suit at the district court level. The Federal Circuit case numbers 15-1927 and 15-1930 are associated with this litigation family, likely representing appeals related to this case. The specific outcome of the Federal Circuit appeal regarding Suunto Oy is not detailed in the provided information.

2. Polar Electro Oy v. Firstbeat Technologies Oy

  • Plaintiff(s): Polar Electro Oy
  • Defendant(s): Firstbeat Technologies Oy (acquired by Garmin in 2020)
  • Jurisdiction: United States District Court for the District of Utah; Court of Appeals for the Federal Circuit; Supreme Court of the United States
  • Case Number: 1:17-cv-00139 (Utah District Court); 24-1801 (Court of Appeals for the Federal Circuit); 25-1268 (U.S. Supreme Court petition)
  • Filing Date: Utah District Court case filed in 2017. The Supreme Court petition (No. 25-1268) is to be filed in May 2026.
  • Outcome/Current Status: In the Utah District Court, Firstbeat Technologies Oy was granted summary judgment of patent ineligibility under 35 U.S.C. § 101. The Federal Circuit affirmed this decision without opinion (Rule 36). Polar Electro Oy is challenging this affirmation and plans to file a petition for certiorari with the U.S. Supreme Court (No. 25-1268) in May 2026, raising questions concerning judicial construction of invalidity arguments, the patent eligibility of processes utilizing real-world physiological inputs for improved technological outcomes, and the permissibility of judicially created exceptions to patent eligibility.

Generated 5/16/2026, 12:03:28 AM