Term ends Jul 4, 2027 · High confidence
20-year base term ended Mar 27, 2021
Held by Intel Corporation
Filed Mar 27, 2001 as application 09/818,134 · Granted Mar 19, 2013
Base term plus 2290 days of patent term adjustment (USPTO delay)
Today
2001
2027
Clock starts
Mar 27, 2001
Mar 27, 2001
Term ends
Jul 4, 2027
Jul 4, 2027
Granted
Mar 19, 2013
Mar 19, 2013
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
2,290
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.
111
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 2290 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 Mar 27, 2001, when this application, 09/818,134, was filed | Mar 27, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2290 days, USPTO patent term adjustment record | Jul 4, 2027 | 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 | Jul 4, 2027 | High confidence |
This family
| US 8,402,005 | this patent Jul 2027 | Jul 2027 |
| US 6,633,918 | Term ended no later than Oct 2018 | no later than Oct 2018 |
| US 7,349,976 | Term ended Feb 2016 | Feb 2016 |
| US 8,216,071 | Lapsed on the fee record Jul 2016 | Jul 2016 |
| US 6,671,807 | Term ended Oct 2018 | Oct 2018 |
| US 6,968,387 | Term ended May 2023 | May 2023 |
| US 7,925,770 | Lapsed on the fee record Apr 2015 | Apr 2015 |
| US 7,284,065 | Term ended Oct 2018 | Oct 2018 |
8 of 111 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 27, 2001 Reel 11665, frame 388 | Belu, Sabin | Realnetworks, Inc. | Assignment of Assignor's Interest |
| Aug 8, 2012 Reel 28752, frame 734 | Realnetworks, Inc. | Intel Corporation | 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
Jul 2027
Term ends Jul 4, 2027. No further fees fall due before then
Note
The 2290 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
48
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.