Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “BlackBerry Limited”

4 pharma patents match "BlackBerry Limited" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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This filtered view shows 4 pharmaceutical patents matching "BlackBerry Limited" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

4 results for “BlackBerry Limited” · 30,257 patents in full index Clear search

  1. US 10135517

    Relay link HARQ operation

    BlackBerry Limited · Granted Nov 20, 2018 · Expires Nov 15, 2038

    granted
  2. US 9900622

    Multiple sign bit hiding within a transform unit

    BlackBerry Limited · Granted Feb 20, 2018 · Expires Feb 15, 2038

    granted
  3. US 9439216

    Relay link HARQ operation

    BlackBerry Limited · Granted Sep 6, 2016 · Expires Sep 1, 2036

    granted
  4. US 9008184

    Multiple sign bit hiding within a transform unit

    BlackBerry Limited · Granted Apr 14, 2015 · Expires Apr 9, 2035

    granted