Term ends Jun 14, 2029 · High confidence
20-year base term ends Apr 5, 2027
Held by Eyepoint, Inc.
Filed Apr 5, 2007 as application 11/784,094 · Granted Jul 5, 2011
Base term plus 801 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Apr 5, 2007
Apr 5, 2007
Term ends
Jun 14, 2029
Jun 14, 2029
Granted
Jul 5, 2011
Jul 5, 2011
base term
patent term adjustment
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
801
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
7
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 801 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 5, 2007, when this application, 11/784,094, was filed | Apr 5, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +801 days, USPTO patent term adjustment record | Jun 14, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 14, 2029 | High confidence |
This family
| US 7,973,142 | this patent Jun 2029 | Jun 2029 |
| US 8,524,235 | In force May 2027 | May 2027 |
| Application 13/958,990 | Abandoned not computed | not computed |
| US 9,926,367 | In force Apr 2027 | Apr 2027 |
| Application 15/894,442 | Abandoned not computed | not computed |
| US 11,814,425 | In force Apr 2027 | Apr 2027 |
6 of 7 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 |
|---|---|---|---|
| Aug 23, 2007 Reel 19740, frame 548 | Peters, Kevin Gene; Rotello, Rocco Jamie; Davis, Michael Glen | The Procter & Gamble Company | Assignment of Assignor's Interest |
| Nov 2, 2009 Reel 23456, frame 52 | Warner Chilcott Company, LLC | Credit Suisse, Cayman Islands Branch, as Administrative Agent | Security Agreement |
| Jan 8, 2010 Reel 23796, frame 417 | The Procter & Gamble Company | Warner Chilcott Company, LLC | Assignment of Assignor's Interest |
| Mar 29, 2011 Reel 26042, frame 46 | Credit Suissse AG, Cayman Islands Branch, as Administrative Agent | Warner Chilcott Company LLC | Release - Reel 023456, Frame 0052 |
| Mar 30, 2011 Reel 26064, frame 607 | Warner Chilcott Company LLC | Bank of America, N.A., as Administrative Agent | Security Agreement |
| Dec 23, 2011 Reel 27443, frame 164 | Bank of America, N.A., as Administrative Agent | Warner Chilcott Company, LLC | Patent Release |
| Dec 27, 2011 Reel 27445, frame 100 | Warner Chilcott Company, LLC | Akebia Therapeutics Inc. | Assignment of Assignor's Interest |
| Mar 2, 2012 Reel 27795, frame 844 | Akebia Therapeutics, Inc. | Aerpio Therapeutics, Inc. | Assignment of Assignor's Interest |
| Oct 31, 2013 Reel 31531, frame 538 | Bank of America, N.A., as Collateral Agent | Warner Chilcott Company, LLC | Release of Security Interest |
| Jul 31, 2019 Reel 49920, frame 76 | Aerpio Therapeutics, Inc. | Aerpio Therapeutics LLC | Change of Name |
| Apr 17, 2020 Reel 52432, frame 789 | Aerpio Therapeutics LLC | Aerpio Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Sep 9, 2021 Reel 57448, frame 33 | Aerpio Pharmaceuticals, Inc. | Eyepoint Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Jan 26, 2026 Reel 74489, frame 618 | Eyepoint Pharmaceuticals, Inc. | Eyepoint, Inc. | 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
Jun 2029
Term ends Jun 14, 2029. No further fees fall due before then
Note
The 801 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
63
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.