Term ends Sep 22, 2029 · High confidence
20-year base term ends Jul 3, 2028
Held by Hyperx Holdings LLC
Filed May 30, 2009 as application 12/475,511 · Granted Jan 1, 2013
Base term plus 446 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Jul 3, 2008
Jul 3, 2008
Term ends
Sep 22, 2029
Sep 22, 2029
Granted
Jan 1, 2013
Jan 1, 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
446
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.
34
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 446 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 Jul 3, 2008, when application 12/167,708, the earliest non-provisional in its chain, was filed (this one was filed May 30, 2009) | Jul 3, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +446 days, USPTO patent term adjustment record | Sep 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 | Sep 22, 2029 | High confidence |
This family
| Application PCT/US2008/069200 | PCT application no patent term | no patent term |
| US 8,151,305 | In force Jun 2030 | Jun 2030 |
| US 8,332,896 | In force Feb 2030 | Feb 2030 |
| Application PCT/US2009/045487 | PCT application no patent term | no patent term |
| Application PCT/US2009/045650 | PCT application no patent term | no patent term |
| US 8,358,705 | In force Sep 2029 | Sep 2029 |
| Application PCT/US2009/045763 | PCT application no patent term | no patent term |
| US 8,347,339 | this patent Sep 2029 | Sep 2029 |
8 of 34 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 |
|---|---|---|---|
| Aug 4, 2009 Reel 23050, frame 399 | Shelby, Kevin A.; Nysen, Peter J.; Doerr, Michael B. | Coherent Logix Incorporated | Assignment of Assignor's Interest |
| Apr 11, 2024 Reel 67097, frame 363 | Coherent Logix, Incorporated | Acp Post Oak Credit I LLC | Security Interest |
| Aug 6, 2025 Reel 72370, frame 394 | Coherent Logix, Inc. | Pacific Cap Acquisition Fund, LLC | Assignment of Assignor's Interest |
| Aug 8, 2025 Reel 72342, frame 90 | Pacific Cap Acquisition Fund, LLC | Hyperx Holdings LLC | 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
Sep 2029
Term ends Sep 22, 2029. No further fees fall due before then
Note
The 446 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is below the median 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.