Syensqo: USITC ALJ finds infringement of PVDF patent
- An ALJ at the US International Trade Commission issued an Initial Determination finding the accused PVDF products infringe Syensqo’s asserted patent.
- The ALJ affirmed the patent’s validity and concluded Syensqo meets the Section 337 domestic‑industry requirement.
- Respondents named are Hubei Fluorine New Materials Co. Ltd.; Zhejiang Fluorine Chemical New Material Co. Ltd.; Sinochem Lantian Co. Ltd.; and Zhejiang Juhua Co. Ltd.
- The Initial Determination is subject to review by the full Commission and appeal; public ALJ decision and Syensqo’s filing are available (documents indicate 2026‑07‑08 and 2025‑01‑10).
Initial Determination
An Administrative Law Judge (ALJ) at the U.S. International Trade Commission issued an Initial Determination in a Section 337 investigation, finding that the PVDF products at issue infringe Syensqo Specialty Polymers USA, LLC’s asserted patent covering PVDF technology for lithium‑ion batteries.
Findings
The ALJ affirmed the validity of Syensqo’s patent and concluded that Syensqo’s investments and activities in the United States satisfy the domestic‑industry requirement under Section 337.
Respondents
The respondents identified in the Initial Determination are Hubei Fluorine New Materials Co. Ltd., Zhejiang Fluorine Chemical New Material Co. Ltd., Sinochem Lantian Co. Ltd., and Zhejiang Juhua Co. Ltd.
Next steps and documents
The Initial Determination is preliminary, subject to review by the full USITC Commission and to appeal; the USITC process is ongoing and Syensqo will continue to participate. Public versions of the ALJ’s Initial Determination and Syensqo’s public filing are available (document names indicate 2026‑07‑08 and 2025‑01‑10).
Source: Syensqo
