Term ends Mar 10, 2037 · High confidence
20-year base term ends Mar 10, 2037
Held by Lonza Ltd.
Filed May 26, 2020 as application 16/883,505 · Granted Jul 5, 2022
Base term plus 109 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2017
2037
Clock starts
Mar 10, 2017
Mar 10, 2017
Term ends
Mar 10, 2037
Mar 10, 2037
Granted
Jul 5, 2022
Jul 5, 2022
base term
fee events
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
109
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,689,873.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 109 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 10, 2017, when application 15/455,836, the earliest non-provisional in its chain, was filed (this one was filed May 26, 2020) | Mar 10, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +109 days, USPTO patent term adjustment record | Jun 27, 2037 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,689,873) | capped to Mar 10, 2037 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 10, 2037 | High confidence |
This family
| US 11,236,520 | In force Mar 2037 | Mar 2037 |
| US 10,689,873 | In force Mar 2037 | Mar 2037 |
| US 11,377,865 | this patent Mar 2037 | Mar 2037 |
| US 11,613,900 | In force Mar 2037 | Mar 2037 |
| US 11,859,403 | In force Mar 2037 | Mar 2037 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 22, 2020 Reel 53275, frame 93 | Biffiger, Leander; Carbonneau, Sandra; Collioud, Andre; Fortin, Jonathan; Imbolden, Dominik; Schmidt, Torsten; Stoffel, Stefan; Studer, Diego; Vogel, Christoph; Widmer, Stefan; Wilkins, Tristan; Wood, Lesley; Zahiri, Alexander | Lonza Ltd. | Assignment of Assignor's Interest |
| Feb 3, 2023 Reel 64024, frame 726 | Biffiger, Leander; Carbonneau, Sandra; Collioud, Andre; Fortin, Jonathan; Imboden, Dominique; Schmidt, Torsten; Stoffel, Stefan; Studer, Diego; Vogel, Christoph; Widmer, Stefan; Wilkins, Tristan; Wood, Lesley; Zahiri, Alexander | Lonza Ltd. | Corrective Assignment to Correct the 5TH Inventor's Name Previously Recorded at Reel: 053275 Frame: 0093. Assignor(S) Hereby Confirms the Assignment . |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2037
Term ends Mar 10, 2037. Maintenance fees still fall due before then
Note
The 109 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,689,873.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.