Seven patents currently held, every record listed here

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

The next term ends in Aug 2041. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Aug 2041

Next term end

Patent families

When these terms end

Each bar runs from grant to computed term end. 2023 to 2045.

US 11,851,513 Poly(CYCLOHEXADIENE) Homopolymer Based Compositions and Uses Thereof Aug 25, 2041

US 12,194,412 Air Conditioning Systems Based on Membranes Sep 15, 2041

US 11,873,369 Polymers Based on Diisoalkenylarenes and Uses Thereof Dec 16, 2041

US 11,732,076 Cyclic Diene-Based Copolymers Apr 14, 2042

US 12,545,780 Flexible Metal Clad Laminates and Methods of Preparation Thereof Sep 20, 2042

US 12,749,684 Binder Compositions Comprising Styrenic Block Copolymers for Rechargeable Batteries Aug 9, 2043

US 12,729,261 Cross-Linkable Polymer Compositions and Applications Thereof Jan 25, 2045

20282033203820432045

8 pending applications: term is not computable until grant.Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Cyclic Diene-Based Copolymers US 11,732,076

Granted 2023. Computed term ends 2042.

Ends Apr 2042 · High confidence Also notable

Poly(CYCLOHEXADIENE) Homopolymer Based Compositions and Uses Thereof US 11,851,513

Granted 2023. Computed term ends 2041.

Ends Aug 2041 · High confidence Also notable

Flexible Metal Clad Laminates and Methods of Preparation Thereof US 12,545,780

Granted 2026. Too new for citation comparison; protection runs to 2042.

Ends Sep 2042 · High confidence

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Feb 22, 2027
The maintenance fee for Cyclic Diene-Based Copolymers (US 11,732,076) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
1 fee due Jun 26, 2027
The maintenance fee for Poly(CYCLOHEXADIENE) Homopolymer Based Compositions and Uses Thereof (US 11,851,513) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
1 fee due Jul 16, 2027
The maintenance fee for Polymers Based on Diisoalkenylarenes and Uses Thereof (US 11,873,369) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted since Aug 16, 2026

What they patent

The 4 largest of its 6 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Polymers Based on Diisoalkenylarenes and Uses Thereof	2 in force	to Sep 2042
Cross-Linkable Polymer Compositions and Applications Thereof	1 in force	to Jan 2045
Binder Compositions Comprising Styrenic Block Copolymers for Rechargeable Batteries	1 in force	to Aug 2043
Air Conditioning Systems Based on Membranes	1 in force	to Sep 2041

Patents held now

Soonest term end first.

Showing 1 to 7 of 7

Patent	Title	Status	Expires	Confidence
US 11,851,513	Poly(CYCLOHEXADIENE) Homopolymer Based Compositions and Uses Thereof In force Term ends Aug 25, 2041 · High confidence	In force	Term ends Aug 25, 2041	High confidence
US 12,194,412	Air Conditioning Systems Based on Membranes In force Term ends Sep 15, 2041 · High confidence	In force	Term ends Sep 15, 2041	High confidence
US 11,873,369	Polymers Based on Diisoalkenylarenes and Uses Thereof In force Term ends Dec 16, 2041 · High confidence	In force	Term ends Dec 16, 2041	High confidence
US 11,732,076	Cyclic Diene-Based Copolymers In force Term ends Apr 14, 2042 · High confidence	In force	Term ends Apr 14, 2042	High confidence
US 12,545,780	Flexible Metal Clad Laminates and Methods of Preparation Thereof In force Term ends Sep 20, 2042 · High confidence	In force	Term ends Sep 20, 2042	High confidence
US 12,749,684	Binder Compositions Comprising Styrenic Block Copolymers for Rechargeable Batteries In force Term ends Aug 9, 2043 · High confidence	In force	Term ends Aug 9, 2043	High confidence
US 12,729,261	Cross-Linkable Polymer Compositions and Applications Thereof In force Term ends Jan 25, 2045 · High confidence	In force	Term ends Jan 25, 2045	High confidence

Also on record, not counted in the 7: 8 applications pending · 1 application abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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