Term ends Feb 22, 2029 · High confidence
20-year base term ended Apr 15, 2025
Filed Apr 15, 2005 as application 11/107,138 · Granted Feb 22, 2011
Base term plus 1409 days of patent term adjustment (USPTO delay)
Today
2005
2029
Clock starts
Apr 15, 2005
Apr 15, 2005
Term ends
Feb 22, 2029
Feb 22, 2029
Granted
Feb 22, 2011
Feb 22, 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
1,409
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.
This patent's term runs 1409 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 15, 2005, when this application, 11/107,138, was filed | Apr 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1409 days, USPTO patent term adjustment record | Feb 22, 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 | Feb 22, 2029 | High confidence |
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 |
|---|---|---|---|
| Jun 8, 2005 Reel 16314, frame 354 | Gordon, Stephen; Chin, Douglas | Broadcom Advanced Compression Group LLC | Assignment of Assignor's Interest |
| Feb 25, 2009 Reel 22299, frame 916 | Broadcom Advanced Compression Group, LLC | Broadcom Corporation | Assignment of Assignor's Interest |
| Sep 3, 2015 Reel 36487, frame 1 | Broadcom Corporation | Fish Dive, Inc. | Assignment of Assignor's Interest |
| Sep 24, 2015 Reel 36648, frame 933 | Fish Dive, Inc. | Dolby International AB | Assignment of Assignor's Interest |
| Jan 28, 2016 Reel 37608, frame 185 | Dolby International AB | Dolby Laboratories Licensing Corporation | Assignment of Assignor's Interest |
| Feb 11, 2016 Reel 37806, frame 1 | Broadcom Corporation | Bank of America, N.A., as Collateral Agent | Patent Security Agreement |
| Feb 3, 2017 Reel 41712, frame 1 | Bank of America, N.A., as Collateral Agent | Broadcom Corporation | Termination and Release of Security Interest in Patents |
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
Feb 2029
Term ends Feb 22, 2029. No further fees fall due before then
Note
The 1409 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 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.