13 patents currently held
38 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.
10 more records may belong here and await a decision; they are not counted.
The next term ends in Feb 2034. from the record
Of the 38 now held by other companies, 15 name Merck Sharp and Dohme LLC as their current owner, and 23 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Feb 2034
Next term end
13
Patent families
When these terms end
Held patents by the year their term ends
notable patents
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.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Aug 2034 · High confidence
Also notable
Ends Apr 2034 · High confidence
Also notable
Ends Feb 2037 · Medium confidence
Prosthetic Ankle with Conic Saddle Shaped Joint
US 9,925,054
The most cited patent in this portfolio, cited by 35 later US patents, top 10% of utility patents granted in 2018 in our data. Protection runs to 2034.
Mask
US 9,949,523
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2034.
Lockout System for Energy Sources
US 11,365,560
The newest of the three, granted 2022. It anchors the portfolio to 2037, later than anything else here.
Formerly held, still cited
Notable
Ends Feb 2039 · High confidence
The newest of the three, granted 2021. It anchors the portfolio to 2039, later than anything else here.
now held by Takeda Pharmaceutical Company Limited
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 5 of the patents on this record were granted since Aug 16, 2026
What they patent
The 5 largest of its 13 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Sofa Unfolding Device | 1 in force | to Mar 2044 |
| Ethylene Recycle Systems And Methods | 1 in force | to Aug 2042 |
| Crash Bag | 1 in force | to Feb 2040 |
| Lockout System for Energy Sources | 1 in force | to Feb 2037 |
| Prosthetic Ankle with Conic Saddle Shaped Joint | 1 in force | to Aug 2034 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,655,831 | Bar Soap Compositions Containing Zinc Pyrithione and a Metal-Pyridine Oxide Complex held by Brian Joseph LIMBERG In force · Medium confidence | In force | Medium confidence | |
| US 9,949,523 | Mask held by Aaron ENGEL In force · High confidence | In force | High confidence | |
| US 9,925,054 | Prosthetic Ankle with Conic Saddle Shaped Joint held by Jason R. TOY In force · High confidence | In force | High confidence | |
| US 11,365,560 | Lockout System for Energy Sources held by Accuform Manufacturing, Inc. In force · Medium confidence | In force | Medium confidence | |
| US 12,714,887 | Crash Bag held by Jason Gary MILLAR In force · High confidence | In force | High confidence | |
| US D1,141,504 | Sofabed In force · High confidence | In force | High confidence | |
| US D1,145,738 | Console for audio and video apparatus In force · High confidence | In force | High confidence | |
| US D1,151,005 | Table held by Jason Miller Studio In force · High confidence | In force | High confidence | |
| US D1,154,984 | Fenestration Sill Assembly held by Jason Patrick In force · High confidence | In force | High confidence | |
| US 12,590,046 | Ethylene Recycle Systems And Methods held by Brian HEINS In force · High confidence | In force | High confidence |
Also on record, not counted in the 13: 38 patents in force now held by others · 7 patents ended · 10 applications pending · 4 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.