Two patents currently held, every record listed here
5 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.
The next term ends in May 2043. from the record
Of the 5 now held by other companies, 5 name Ehe Foundation as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
May 2043
Next term end
1
Patent families
When these terms end
Each bar runs from grant to computed term end. 2022 to 2043.202620302034203820422043
A dotted end marks a recorded terminal disclaimer this site has not resolved: the term can only be shorter than the bar, never longer.
2 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
Only 1 of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends May 2040 · High confidence
Cited by 3 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2040.
now held by The Ehe Foundation
Also notable
Ends May 2040 · High confidence
The most cited patent in this portfolio, cited by 4 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2040.
now held by The Ehe Foundation
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 Jul 23, 2027The maintenance fee for Mek Inhibitors and Uses Thereof (US 11,878,958) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Mek Inhibitors and Uses Thereof | 2 in force | to Jun 2043 |
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,878,958 | Mek Inhibitors and Uses Thereof In force · High confidence | In force | High confidence | |
| US 12,459,895 | Mek Inhibitors and Uses Thereof In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 5 patents in force now held by others · 2 applications pending · 2 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.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed