Term ends Jan 12, 2031 · High confidence
20-year base term ends Apr 28, 2028
Held by ByteDance Inc.
Filed Apr 28, 2008 as application 12/150,565 · Granted Mar 13, 2012
Base term plus 989 days of patent term adjustment (USPTO delay)
Today
2008
2031
Clock starts
Apr 28, 2008
Apr 28, 2008
Term ends
Jan 12, 2031
Jan 12, 2031
Granted
Mar 13, 2012
Mar 13, 2012
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
989
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.
6
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 989 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 28, 2008, when this application, 12/150,565, was filed | Apr 28, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +989 days, USPTO patent term adjustment record | Jan 12, 2031 | 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 | Jan 12, 2031 | High confidence |
This family
| US 8,135,505 | this patent Jan 2031 | Jan 2031 |
| US 8,756,011 | In force Apr 2028 | Apr 2028 |
| US 10,546,323 | In force Apr 2028 | Apr 2028 |
| US 11,669,864 | In force Apr 2028 | Apr 2028 |
| US 12,106,326 | In force Apr 2028 | Apr 2028 |
| Application 18/761,921 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Sep 17, 2008 Reel 21545, frame 275 | Vengroff, Darren E.; Downs, Oliver B. | Pelago, Inc. | Assignment of Assignor's Interest |
| Jan 31, 2012 Reel 27628, frame 126 | Pelago, Inc. | Groupon, Inc. | Assignment of Assignor's Interest |
| Jul 23, 2020 Reel 53294, frame 495 | Groupon, Inc.; Livingsocial, LLC | Jpmorgan Chase Bank, N.a. | Security Interest |
| Feb 26, 2024 Reel 66676, frame 1 | Jpmorgan Chase Bank, N.a. | Groupon, Inc.; Livingsocial, LLC (F/K/A Livingsocial, Inc.) | Release of Security Interest |
| Feb 26, 2024 Reel 66676, frame 251 | Jpmorgan Chase Bank, N.a. | Groupon, Inc.; Livingsocial, LLC (F/K/A Livingsocial, Inc.) | Termination and Release of Security Interest in Intellectual Property Rights |
| Feb 26, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Groupon, Inc. | Release of Security Interest |
| Feb 26, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Livingsocial, LLC (F/K/A Livingsocial, Inc.) | Release of Security Interest |
| Feb 26, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Groupon, Inc. | Termination and Release of Security Interest in Intellectual Property Rights |
| Feb 26, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Livingsocial, LLC (F/K/A Livingsocial, Inc.) | Termination and Release of Security Interest in Intellectual Property Rights |
| Aug 12, 2024 Reel 68833, frame 811 | Groupon, Inc. | ByteDance Inc. | 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
Jan 2031
Term ends Jan 12, 2031. No further fees fall due before then
Note
The 989 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
332
later US patents cite this one
That is top 1% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.