Collateral for a security interest recorded Apr 20, 2021 (NSF I LLC).
Lapsed Aug 6, 2025 on the fee record · High confidence
20-year base term ends Mar 14, 2027
Third maintenance fee unpaid; grace period ended.
Held by Mypaq Holdings Ltd.
Filed Dec 22, 2008 as application 12/341,804 · Granted Aug 6, 2013
Base term, 20 years from filing, plus 168 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Aug 6, 2025
2007
2027
Clock starts
Mar 14, 2007
Mar 14, 2007
No longer in force
Aug 6, 2025
Aug 6, 2025
Granted
Aug 6, 2013
Aug 6, 2013
Term would have run to
Mar 14, 2027
Mar 14, 2027
base term
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
168
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,468,649.
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.
2
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 14, 2027: its 20-year base term plus 168 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 14, 2007, when application 11/686,140, the earliest non-provisional in its chain, was filed (this one was filed Dec 22, 2008) | Mar 14, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +168 days, USPTO patent term adjustment record | Aug 29, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,468,649) | capped to Mar 14, 2027 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Aug 6, 2025 | High confidence |
| Computed term end | The steps above, in order | Aug 6, 2025 | High confidence |
This family
| US 7,468,649 | In force Mar 2027 | Mar 2027 |
| US 8,502,520 | this patent Aug 2025 | Aug 2025 |
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 |
|---|---|---|---|
| Feb 25, 2009 Reel 22307, frame 880 | Chandrasekaran, Sriram | Coldwatt, Inc. | Assignment of Assignor's Interest |
| Feb 25, 2009 Reel 22308, frame 164 | Coldwatt, Inc. | Flextronics International USA, Inc. | Merger |
| Apr 8, 2021 Reel 55879, frame 707 | Flextronics International USA, Inc. | Mypaq Holdings Ltd. | Assignment of Assignor's Interest |
| Apr 20, 2021 Reel 55973, frame 892 | Mypaq Holdings Ltd. | NSF I LLC | Security Interest |
| Jul 20, 2022 Reel 61266, frame 1 | Coldwatt, Inc. | Flextronics International USA, Inc. | Conveyance by Dissolution of Coldwatt, Inc., Which Was Completed on 04-09-2012 per Attached Declaration. Conveyance Was Made to Coldwatt's Sole Stockholder, Flextronics International Usa, Inc. See Del. Code Ann. Tit. 8, § 281(B). |
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.
What's changing
Note
The 168 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,468,649.
Citations
44
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.