Lapsed Sep 23, 2020 on the fee record · High confidence
20-year base term ended Apr 8, 2024
Third maintenance fee unpaid; grace period ended.
Held by Activision Publishing, Inc.
Filed Apr 8, 2004 as application 10/821,050 · Granted Sep 23, 2008
Base term, 20 years from filing, plus 1076 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 23, 2020
2004
2027
Clock starts
Apr 8, 2004
Apr 8, 2004
No longer in force
Sep 23, 2020
Sep 23, 2020
Granted
Sep 23, 2008
Sep 23, 2008
Term would have run to
Mar 20, 2027
Mar 20, 2027
base term
patent term adjustment
after the term ends
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
1,076
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 20, 2027: its 20-year base term plus 1076 days of term adjustment for prosecution delay. 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 8, 2004, when this application, 10/821,050, was filed | Apr 8, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1076 days, USPTO patent term adjustment record | Mar 20, 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 | 2 of 3 maintenance fees paid | lapsed Sep 23, 2020 | High confidence |
| Computed term end | The steps above, in order | Sep 23, 2020 | High confidence |
This family
| US 7,428,588 | this patent Sep 2020 | Sep 2020 |
| US 8,057,307 | In force Nov 2026 | Nov 2026 |
| US 7,702,784 | Term ended Apr 2024 | Apr 2024 |
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 |
|---|---|---|---|
| May 24, 2004 Reel 14663, frame 828 | Bertis, Viktors; Bethencourt, John Daniel Sieron; Damma, Kevin Blake; Deen, Robert Glenn; Hammer, Mathew; Kaufman, James H.; Lehman, Toby Jon | International Business Machines Corporation | Assignment of Assignor's Interest |
| Feb 28, 2013 Reel 29900, frame 285 | International Business Machines Corporation | Activision Publishing, Inc. | Assignment of Assignor's Interest |
| Feb 11, 2014 Reel 32240, frame 257 | Activision Publishing, Inc. | Bank Of America, N.a. | Security Agreement |
| Oct 17, 2016 Reel 40381, frame 487 | Bank Of America, N.a. | Activision Blizzard Inc.; Activision Publishing, Inc.; Activision Entertainment Holdings, Inc.; Blizzard Entertainment, Inc. | Release of Security Interest |
| Oct 17, 2016 reel/frame not recorded | Bank Of America, N.a. | Activision Blizzard Inc. | Release of Security Interest |
| Oct 17, 2016 reel/frame not recorded | Bank Of America, N.a. | Activision Publishing, Inc. | Release of Security Interest |
| Oct 17, 2016 reel/frame not recorded | Bank Of America, N.a. | Activision Entertainment Holdings, Inc. | Release of Security Interest |
| Oct 17, 2016 reel/frame not recorded | Bank Of America, N.a. | Blizzard Entertainment, Inc. | Release of Security 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
Note
The 1076 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
227
later US patents cite this one
That is top 5% of utility patents granted in 2008 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.