Lapsed Jan 1, 2025 on the fee record · High confidence
20-year base term ends Oct 29, 2029
Third maintenance fee unpaid; grace period ended.
Held by Intermolecular, Inc.
Filed Feb 12, 2010 as application 12/705,474 · Granted Jan 1, 2013
Base term, 20 years from filing, plus 344 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 1, 2025
2009
2030
Clock starts
Oct 29, 2009
Oct 29, 2009
No longer in force
Jan 1, 2025
Jan 1, 2025
Granted
Jan 1, 2013
Jan 1, 2013
Term would have run to
Oct 8, 2030
Oct 8, 2030
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
344
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.
23
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 Oct 8, 2030: its 20-year base term plus 344 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 Oct 29, 2009, when application 12/608,934, the earliest non-provisional in its chain, was filed (this one was filed Feb 12, 2010) | Oct 29, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +344 days, USPTO patent term adjustment record | Oct 8, 2030 | 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 Jan 1, 2025 | High confidence |
| Computed term end | The steps above, in order | Jan 1, 2025 | High confidence |
This family
| US 8,144,498 | In force Jan 2031 | Jan 2031 |
| Application PCT/US2008/062532 | PCT application no patent term | no patent term |
| US 8,143,092 | Lapsed on the fee record Mar 2024 | Mar 2024 |
| US 7,960,216 | In force May 2029 | May 2029 |
| US 8,183,553 | Lapsed on the fee record May 2024 | May 2024 |
| US 8,975,613 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| US 8,343,813 | this patent Jan 2025 | Jan 2025 |
| Application PCT/US2010/030619 | PCT application no patent term | no patent term |
8 of 23 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 |
|---|---|---|---|
| Sep 20, 2011 Reel 26937, frame 438 | Hashim, Imran; Chiang, Tony | Intermolecular, Inc. | 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
Note
The 344 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
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.