Lapsed Aug 7, 2024 on the fee record · High confidence
20-year base term ends May 15, 2029
Third maintenance fee unpaid; grace period ended.
Held by Repligen Corporation
Filed May 15, 2009 as application 12/466,918 · Granted Aug 7, 2012
Base term, 20 years from filing, plus 426 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 7, 2024
2009
2030
Clock starts
May 15, 2009
May 15, 2009
No longer in force
Aug 7, 2024
Aug 7, 2024
Granted
Aug 7, 2012
Aug 7, 2012
Term would have run to
Jul 15, 2030
Jul 15, 2030
base term
patent term adjustment
after the term ends
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
426
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
8
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jul 15, 2030: its 20-year base term plus 426 days of term adjustment for prosecution delay. 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 May 15, 2009, when this application, 12/466,918, was filed | May 15, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +426 days, USPTO patent term adjustment record | Jul 15, 2030 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Aug 7, 2024 | High confidence |
| Computed term end | The steps above, in order | Aug 7, 2024 | High confidence |
This family
| US 8,235,067 | this patent Aug 2024 | Aug 2024 |
| US 8,656,951 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 9,447,888 | In force May 2029 | May 2029 |
| US 10,234,044 | In force May 2029 | May 2029 |
| US 11,022,223 | Lapsed on the fee record Jun 2025 | Jun 2025 |
| US 12,181,076 | In force May 2029 | May 2029 |
| US 12,253,189 | In force May 2029 | May 2029 |
| US 11,719,348 | In force May 2029 | May 2029 |
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 |
|---|---|---|---|
| May 15, 2009 Reel 22692, frame 368 | Gagne, Michael C.; Cates, Steven V. | Alphabio, Inc. | Assignment of Assignor's Interest |
| Feb 23, 2015 Reel 35006, frame 259 | Alphabio, Inc. | Alphinity, LLC | Assignment of Assignor's Interest |
| Dec 8, 2020 Reel 54580, frame 754 | Alphinity, LLC | Repligen Corporation | Assignment of Assignor's Interest |
| Sep 19, 2024 Reel 68636, frame 413 | Alphinity, LLC | Repligen Corporation | Assignment of Assignor's Interest |
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
Note
The 426 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
46
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.