Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Weekly Digest
Fed. Cir.

Inneos LLC v. Opticis Co., Ltd., No. 25-1487 (Fed. Cir. June 10, 2026)

Affirmed
Rule 36 Affirmance
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 25-1487
Decided
June 10, 2026
Judge
Per curiam (Rule 36)
Document
Rule 36 Judgment
Length
2 pages
Download Opinion (PDF)

NOTE: This disposition is nonprecedential. United States Court of Appeals

for the Federal Circuit

INNEOS LLC,

Appellant

v.

OPTICIS CO., LTD.,

Appellee

2025-1487

Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2023-01256.

JUDGMENT

CHRISTIAN E. MAMMEN, Womble Bond Dickinson (US) LLP, San Francisco, CA, argued for appellant. Also represented by JULIE GIARDINA, BARRY J. HERMAN, Baltimore, MD.

MICHAEL JONES, Rothwell, Figg, Ernst & Manbeck, PC, Washington, DC, argued for appellee. Also represented by MARTIN MOSS ZOLTICK.

2THIS CAUSE having been heard and considered, it is ORDERED and ADJUDGED:

PER CURIAM (DYK, MAYER, and PROST, Circuit

Judges).

AFFIRMED. See Fed. Cir. R. 36.

ENTERED BY ORDER OF THE COURT

Figure on page 2 of the opinion

June 10, 2026

Date

Text extracted from the official PDF and reflowed for reading. It is not a certified transcript — the PDF linked above is the authoritative document.

Analysis is coming soon.

A plain-English account of the issues, facts and holding, written by Patent Case Watch. The opinion itself — its full text, its PDF and everything else on this page — stays free to read for everyone, always.

Cite this opinion

Inneos LLC v. Opticis Co., Ltd., No. 25-1487 (Fed. Cir. June 10, 2026).

Record ID
CAFC-25-1487-20260610
Permalink
https://patentcasewatch.com/opinions/CAFC-25-1487-20260610

No reporter citation is shown because the official source does not supply one; none is inferred here. Check the opinion and a citator before relying on this form.

Source: Federal Circuit opinions and orders · retrieved August 15, 2026 · Report an error