787 patents currently held
31 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
13 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2026. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
112
Ending by 2030
Dec 2026
Next term end
739
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
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: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Dec 2036 · High confidence
Also notable
Ends Dec 2033 · High confidence
Also notable
Ends no later than Jan 2031 · Medium confidence
Polyethylene Based Laminated Film Structure with Barrier Properties
US 11,535,012
Cited by 11 later US patents, top 10% of utility patents granted in 2022 in our data. Protection runs to 2036.
Polymer Composition and a Power Cable Comprising the Polymer Composition
US 9,595,374
Cited by 27 later US patents, top 25% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2033.
Polyethylene Moulding Composition with Improved Stress Crack/Stiffness Relationship and Impact Resistance
US 8,759,448
The largest patent family in this portfolio, 38 related applications, renewed at 3 of 3 maintenance windows. Protection runs to 2031. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
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.
- 3 fees due Nov 28 to 30, 2026 · next Nov 28
- 20 fees due Dec 4 to 27, 2026 · next Dec 4
- 11 fees due Jan 7 to 30, 2027 · next Jan 7
- 14 fees due Feb 4 to 28, 2027 · next Feb 4
- 14 fees due Mar 1 to 22, 2027 · next Mar 1
- 12 fees due Apr 6 to 29, 2027 · next Apr 6
- 11 fees due May 7 to 28, 2027 · next May 7
- 19 fees due Jun 1 to 30, 2027 · next Jun 1
- 12 fees due Jul 2 to 30, 2027 · next Jul 2
- 15 fees due Aug 2 to 27, 2027 · next Aug 2
- 11 fees due Sep 1 to 30, 2027 · next Sep 1
- 12 fees due Oct 2 to 26, 2027 · next Oct 2
- 3 fees due Nov 5 to 12, 2027 · next Nov 5
Recent changes
- Nov 5Assignment recorded on 1 record: Reichelt, Norbert to Borealis GmbH Recorded Nov 5, 2026, executed Jul 13, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76648, frame 802.
- Oct 29Assignment recorded on 1 record: Klimke, Katja and 6 others to Borealis GmbH Recorded Oct 29, 2026, executed May 4, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76552, frame 637.
- 25 of the patents on this record were granted since Aug 16, 2026
- 11 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 739 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Process for Producing a Polymer and a Polymer for Wire and Cable Applications | 7 in force | to May 2036 |
| Polymer Composition and a Power Cable Comprising the Polymer Composition (2013) | 4 in force | to Dec 2033 |
| Polypropylene with Broad Molecular Weight Distribution | 3 in force | to Jun 2034 |
| Polymer Composition and a Power Cable Comprising the Polymer Composition (2012) | 3 in force | to Jan 2033 |
| Equipment and Process for Producing Polymer Pellets | 3 in force | to Mar 2032 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,732,711 | Semiconductive Polymer Composition held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,124,877 | Semiconductive Polymer Composition held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,044,160 | Polyethylene Composition for Injection Molded Caps and Closure Articles held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,399,374 | Catalyst Particles held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,058,336 | Flame Retardant Polymer Composition Comprising Polyolefin with High Molecular Weight Distribution held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,153,745 | Multi-Branched Polypropylene held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 7,820,773 | Olefin Polymerisation Catalyst held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 8,278,393 | Polyethylene Blend Component and Blends Containing the Same held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 7,740,808 | Process and Apparatus for Producing Olefin Polymers held by Borealis Technology Oy In force · High confidence | In force | High confidence | |
| US 7,799,841 | Polypropylene Foam held by Borealis Technology Oy In force · High confidence | In force | High confidence |
Also on record, not counted in the 787: 31 patents in force now held by others · 155 patents ended · 326 applications pending · 212 applications 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.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.