Lapsed Dec 10, 2025 on the fee record · High confidence
20-year base term ended Aug 1, 2025
Third maintenance fee unpaid; grace period ended.
Filed Mar 30, 2007 as application 11/658,979 · Granted Dec 10, 2013
Base term, 20 years from filing, plus 1649 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 10, 2025
2005
2030
Clock starts
Aug 1, 2005
Aug 1, 2005
No longer in force
Dec 10, 2025
Dec 10, 2025
Granted
Dec 10, 2013
Dec 10, 2013
Term would have run to
Feb 5, 2030
Feb 5, 2030
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,649
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.
28
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 Feb 5, 2030: its 20-year base term plus 1649 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 Aug 1, 2005, when application PCT/IN2005/000252, the earliest non-provisional in its chain, was filed (this one was filed Mar 30, 2007) | Aug 1, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1649 days, USPTO patent term adjustment record | Feb 5, 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 Dec 10, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 10, 2025 | High confidence |
This family
| US 8,604,222 | this patent Dec 2025 | Dec 2025 |
| US 8,246,950 | In force Feb 2028 | Feb 2028 |
| US 8,221,747 | In force Feb 2028 | Feb 2028 |
| US 8,293,229 | In force Mar 2031 | Mar 2031 |
| US 7,541,384 | In force Jun 2028 | Jun 2028 |
| US 10,087,493 | In force Mar 2029 | Mar 2029 |
| US 8,217,083 | In force Jun 2028 | Jun 2028 |
| US 8,784,884 | In force Aug 2031 | Aug 2031 |
8 of 28 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Mar 20, 2007 Reel 19046, frame 997 | Sheth, Rakesh; Attanti, Srinivasarao Veeravenkata; Patel, Hasmukh Maturbhai; Gupta, Vinodkumar; Nadkarni, Sunil Sadanand | Torrent Pharmaceuticals Limited | Assignment of Assignor's Interest |
| Jan 8, 2013 Reel 29586, frame 817 | Torrent Pharmaceuticals, Ltd. | Forest Laboratories Holdings Limited | Assignment of Assignor's Interest |
| Oct 4, 2022 Reel 61304, frame 80 | Forest Laboratories Holdings Unlimited Company | Allergan Pharmaceuticals International Limited | Merger |
| Oct 4, 2022 Reel 61599, frame 338 | Forest Laboratories Holdings Limited | Forest Laboratories Holdings Unlimited Company | Change of Name |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1649 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is below the median of utility patents granted in 2013 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.