Four 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 Jul 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
1
Ending by 2030
Jul 2027
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2013 to 2031.20172021202520292031
A dotted end marks a recorded terminal disclaimer this site has not resolved: the term can only be shorter than the bar, never longer.
3 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 2 of the currently held patents qualify as notable.
Notable
Ends no later than Jul 2031 · Medium confidence
Also notable
Ends Jul 2027 · High confidence
Thermogelling Anaesthetic Compositions
US 8,834,927
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 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.
Applicator
US D685,910
Granted 2013. Computed term ends 2027.
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 Aug 9, 2027The maintenance fee for Thermogelling Anaesthetic Compositions (US 9,254,263) comes due Aug 9, 2027. Unpaid by Feb 9, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 1 largest of its 2 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Thermogelling Anaesthetic Compositions | 3 in force | to Jul 2031 |
Patents held now
Soonest term end first.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D685,910 | Applicator In force · High confidence | In force | High confidence | |
| US 8,828,437 | Thermogelling Anaesthetic Compositions In force · Medium confidence | In force | Medium confidence | |
| US 9,254,263 | Thermogelling Anaesthetic Compositions In force · Medium confidence | In force | Medium confidence | |
| US 8,834,927 | Thermogelling Anaesthetic Compositions In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 4: 2 patents ended · 3 applications pending. 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.
4 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed