Term ends Aug 22, 2030 · High confidence
20-year base term ends Dec 30, 2028
Held by Pantech Corporation
Filed Dec 30, 2008 · Granted Dec 4, 2012
Base term plus 600 days of PTA
Today
2008
2030
Clock starts
Dec 30, 2008
Dec 30, 2008
Term ends
Aug 22, 2030
Aug 22, 2030
Granted
Dec 4, 2012
Dec 4, 2012
base term
patent term adjustment
fee events
Updated Nov 1, 2026 · includes USPTO assignment & status data published Nov 1, 2026 and grant & fee data published Oct 27, 2026 (weekly) · how we know
600
Days of term adjustment
Read from the USPTO PTA 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.
14
Applications in this family
Applications sharing this one's continuity chain.
This patent's term runs 600 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 Dec 30, 2008 | Dec 30, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +600 days, USPTO PTA record | Aug 22, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 22, 2030 | High confidence |
This family
| Application 61/018,567 | Provisional application no patent term | no patent term |
| Application PCT/US2008/077904 | Pending not computed | not computed |
| US 8,774,104 | In force Mar 2030 | Mar 2030 |
| Application PCT/US2008/080896 | Pending not computed | not computed |
| US 9,271,280 | In force Dec 2030 | Dec 2030 |
| Application PCT/US2008/088565 | Pending not computed | not computed |
| US 8,325,684 | this patent Aug 2030 | Aug 2030 |
7 of 14 applications in this family shown, earliest filings first.
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 |
|---|---|---|---|
| Feb 18, 2009 Reel 22274, frame 735 | Pani, Diana; Digirolamo, Rocco; Cave, Christophe R.; Marinier, Paul; Pelletier, Benoit | InterDigital Patent Holdings, Inc. | Assignment of Assignor's Interest |
| Mar 10, 2009 Reel 22372, frame 547 | Pani, Diana; Digirolamo, Rocco; Cave, Christopher R.; Marinier, Paul; Pelletier, Benoit | InterDigital Patent Holdings, Inc. | Corrective Assignment to Correct the Assignee's Name from Cave, Christophe R. to Cave, Christopher R. Previously Recorded on Reel 022274 Frame 0735. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest. |
| Oct 17, 2013 Reel 31427, frame 772 | InterDigital Patent Holdings, Inc. | InterDigital Holdings, Inc. | Assignment of Assignor's Interest |
| Oct 17, 2013 Reel 31428, frame 63 | InterDigital Holdings, Inc. | InterDigital, Inc. | Assignment of Assignor's Interest |
| Oct 17, 2013 Reel 31428, frame 99 | InterDigital, Inc. | DST Holdings, Inc. | Assignment of Assignor's Interest |
| Nov 6, 2013 Reel 31597, frame 485 | DST Holdings, Inc. | Signal Trust for Wireless Innovation | Assignment of Assignor's Interest |
| Jan 29, 2021 Reel 55170, frame 866 | Signal Trust for Wireless Innovation | RNB Wireless LLC | Assignment of Assignor's Interest |
| Jun 8, 2021 Reel 56682, frame 95 | RNB Wireless LLC | Pantech Wireless, LLC | Assignment of Assignor's Interest |
| Aug 28, 2026 Reel 76420, frame 81 | Pantech Wireless, LLC | Pantech Wireless, LLC | Change of Address |
| Oct 19, 2026 Reel 76417, frame 689 | Pantech Wireless, LLC | Pantech Corporation | Merger |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
Maintenance fee events come from USPTO's own fee records. USPTO does not publish a per-patent fee page, so there is nothing to link to.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2030
Term ends Aug 22, 2030. No further fees fall due before then
Note
The 600 days of PTA 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: base rule, PTA, PTE, disclaimer caps, fee overlay, 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.