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Patent Information

Pursuant to 35 U.S.C. § 287(a), the following products are protected by one or more of the patents listed below. This list was last revised on September 30, 2021. Other patents issuing after the date of the last revision may also cover the following products but may not be included until this list is next revised. The following list of products may not be all inclusive, and other products not listed here may be protected by one or more patents.

SUSTOL®

US Patent Numbers:

  • US 8,252,304
  • US 8,252,305
  • US 8,252,306
  • US 8,715,710
  • US 9,913,910
  • US 10,357,570
  • Additional patents pending

International Patent Numbers:

  • Europe 1796629
  • Europe 2902012
  • Europe 3424492
  • Hong Kong 1213477
  • Hong Kong 40003214
  • Japan 6057972
  • Taiwan I407966
  • Additional patents pending

CINVANTI®

US Patent Numbers:

  • US 9,561,229
  • US 9,974,742
  • US 9,974,793
  • US 9,974,794
  • US 9,808,465
  • US 10,500,208
  • US 10,624,850
  • US 10,953,018
  • Additional patents pending

International Patent Numbers:

  • Japan 6741655
  • Japan 6829257
  • Additional patents pending

ZYNRELEF®

US Patent Numbers:

  • US 9,592,227
  • US 9,694,079
  • US 9,744,163
  • US 9,801,945
  • US 9,913,909
  • US 10,098,957
  • US 10,213,510
  • US 10,398,686
  • US 10,632,199
  • US 10,898,575
  • US 10,980,886
  • US 11,083,730
  • US 11,083,797
  • Additional patents pending

International Patent Numbers:

  • Australia 2014228313
  • Australia 2015249949
  • Australia 2019202415
  • Canada 2906666
  • Europe 3134070
  • Europe 3134068
  • Japan 6454322
  • Japan 6702882
  • Korea 10-2238495
  • Mexico 380990
  • Mexico 352907
  • Taiwan I653984
  • Taiwan I675661
  • Additional patents pending

HTX-034

US Patent Numbers:

  • US 9,592,227
  • US 9,694,079
  • US 9,744,163
  • US 9,801,945
  • US 9,913,909
  • US 10,098,957
  • US 10,213,510
  • US 10,398,686
  • US 10,898,575
  • US 10,980,886
  • Additional patents pending

International Patent Numbers:

  • Australia 2014228313
  • Australia 2015249949
  • Canada 2906666
  • Europe 3134070
  • Europe 3134068
  • Japan 6454322
  • Japan 6702882
  • Korea 10-2238495
  • Mexico 380990
  • Mexico 352907
  • Taiwan I653984
  • Taiwan I675661
  • Additional patents pending

HTX-019

US Patent Numbers:

  • US 9,561,229
  • US 9,974,742
  • US 9,974,793
  • US 9,974,794
  • US 9,808,465
  • US 10,500,208
  • US 10,624,850
  • US 10,953,018
  • Additional patents pending

International Patent Numbers:

  • Japan 6741655
  • Japan 6829257
  • Additional patents pending
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