Three 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 Jun 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Jun 2027
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2011 to 2031.
US 11,001,802
A surface of a vessel with polystyrene, Nitrogen, Oxygen and a static sessile contact angle for attachment and cultivation of cells
Feb 19, 2029
US 10,066,203
Methods, Surface Modified Plates and Compositions for Cell Attachment, Cultivation and Detachment
Sep 12, 2031
20152019202320272031
1 pending application: 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 Jun 2027 · High confidence
Also notable
Ends Sep 2031 · High confidence
Tray Stack Adapted for Active Gassing
US 7,867,761
The most cited patent in this portfolio, cited by 25 later US patents, top 25% of utility patents granted in 2011 in our data. Protection runs to 2027.
Methods, Surface Modified Plates and Compositions for Cell Attachment, Cultivation and Detachment
US 10,066,203
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2031.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
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.
| Methods, Surface Modified Plates and Compositions for Cell Attachment, Cultivation and Detachment | 2 in force | to Sep 2031 |
| Tray Stack Adapted for Active Gassing | 1 in force | to Jun 2027 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,867,761 | Tray Stack Adapted for Active Gassing In force · High confidence | In force | High confidence | |
| US 11,001,802 | A surface of a vessel with polystyrene, Nitrogen, Oxygen and a static sessile contact angle for attachment and cultivation of cells In force · High confidence | In force | High confidence | |
| US 10,066,203 | Methods, Surface Modified Plates and Compositions for Cell Attachment, Cultivation and Detachment In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 1 application 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.