The notice

The Commission's notice of receipt of complaint and solicitation of comments relating to the public interest was issued November 9, 2026. It says the Commission received a complaint and a submission under section 210.8(b) of its Rules of Practice and Procedure, filed on behalf of Paragonix Technologies, Inc. on November 6, 2026. The complaint alleges violations of section 337 of the Tariff Act of 1930, 19 U.S.C. 1337, in the importation into the United States, the sale for importation, and the sale within the United States after importation of certain organ preservation systems and components thereof.

The complaint names one respondent, Traferox Technologies Inc. of Canada. Paragonix asks for a limited exclusion order, cease and desist orders, and a bond on the respondent's alleged infringing articles during the 60-day Presidential review period under 19 U.S.C. 1337(j).

Public interest comments

The notice invites proposed respondents, other interested parties, members of the public, and interested government agencies to comment on whether the requested relief would affect the public health and welfare in the United States, competitive conditions in the U.S. economy, the production of like or directly competitive articles in the United States, or U.S. consumers. It asks in particular how the articles are used in the United States, whether there are public health, safety, or welfare concerns, whether like or directly competitive articles made in the United States by Paragonix, its licensees, or third parties could replace them, whether those suppliers could replace the volume of articles within a commercially reasonable time, and how the requested orders would affect U.S. consumers. Written submissions are due by close of business eight calendar days after the notice is published in the Federal Register, and the complainant may reply within three calendar days after the date the submissions are due. Submissions and replies are limited to five pages and should refer to Docket No. 3949.

The Texas case

On October 30, 2026, Paragonix sued Traferox in Paragonix Technologies, Inc. v. Traferox Technologies, Inc., No. 2:26-cv-00982 (E.D. Tex., Marshall Division). That complaint describes Paragonix as a Delaware corporation based in Waltham, Massachusetts, and alleges, on information and belief, that Traferox is a Canadian corporation located in Mississauga, Ontario. It asserts six patents and alleges that Paragonix is the assignee of each:

  • U.S. Patent 12,543,729, System for Hypothermic Transport of Samples, issued February 10, 2026.
  • U.S. Patent 12,557,806, System for Hypothermic Transport of Samples, filed July 31, 2025, issued February 24, 2026.
  • U.S. Patent 12,564,187, Apparatus for Tissue Transport and Preservation, filed June 24, 2025, issued March 3, 2026.
  • U.S. Patent 12,610,943, Apparatus for Tissue Transport and Preservation, filed June 24, 2025, issued April 28, 2026.
  • U.S. Patent 12,660,813, Apparatus for Tissue Transport and Preservation, filed July 31, 2025, issued June 23, 2026.
  • U.S. Patent 12,740,557, Apparatus for Tissue Transport and Preservation, filed December 12, 2025, issued September 22, 2026.

The district complaint accuses Traferox's X°Port Lung Preservation System, X°Port Heart Preservation System, and VI°Port Liver Preservation System, and alleges, on information and belief, that Traferox makes, uses, offers to sell, sells, and/or imports them in the United States. It pleads direct, induced, and contributory infringement and willfulness, and asks for damages and a permanent injunction. The docket record lists the case as assigned to District Judge Rodney Gilstrap. Through November 9, 2026, the docket shows the complaint, the patent and trademark form (AO 120), Paragonix's disclosure statement, a summons request, a summons issued as to Traferox on October 30, 2026, and a summons returned executed on November 9, 2026.

Receipt is not institution

Under 19 CFR 210.10(a)(1), the Commission determines whether to institute an investigation within 30 days after a complaint is filed, unless an exception applies, such as exceptional circumstances, a request by the complainant to postpone the determination, or withdrawal of the complaint. Under 19 CFR 210.10(b)(1), an investigation is instituted by publication of a notice in the Federal Register.

What to watch next

Watch for Federal Register publication of the receipt notice, which starts the eight-day comment period, any public interest submissions and replies, and the Commission's decision on institution, which would define the scope of any investigation. In Texas, watch for Traferox's response to the complaint and, if an investigation is instituted, any request under 28 U.S.C. 1659 by a party that is also a Respondent to stay claims involving the same issues. Either matter can end at any time, including by settlement or withdrawal.