Term ends Sep 20, 2028 · High confidence
20-year base term ends May 2, 2027
Held by Acer Cloud Technology, Inc.
Filed Jul 13, 2009 as application 12/281,977 · Granted May 26, 2020
Base term plus 507 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
May 2, 2007
May 2, 2007
Term ends
Sep 20, 2028
Sep 20, 2028
Granted
May 26, 2020
May 26, 2020
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
507
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 507 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is paid so far. 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 May 2, 2007, when application PCT/US2007/010797, the earliest non-provisional in its chain, was filed (this one was filed Jul 13, 2009) | May 2, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +507 days, USPTO patent term adjustment record | Sep 20, 2028 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 20, 2028 | High confidence |
This family
| US 10,664,575 | this patent Sep 2028 | Sep 2028 |
| US 10,733,271 | In force May 2027 | May 2027 |
| US 11,698,949 | In force Feb 2028 | Feb 2028 |
3 of 5 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 |
|---|---|---|---|
| Jul 13, 2009 Reel 22947, frame 470 | Yen, Wei; Srinivasan, Pramila; Princen, John; Lo, Raymond; Ho, Wilson | Broadon Communications Corp. | Assignment of Assignor's Interest |
| Jun 18, 2010 Reel 24555, frame 857 | Broadon | Igware Inc. | Change of Name |
| May 11, 2012 Reel 28196, frame 632 | Igware, Inc. | Acer Cloud Technology, Inc. | Change of Name |
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 2028
Term ends Sep 20, 2028. Maintenance fees still fall due before then
Note
The 507 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
22
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.