Term ends Nov 4, 2034 · High confidence
20-year base term ends Jan 31, 2034
Held by Synopsys, Inc.
Filed Jan 31, 2014 as application 14/170,064 · Granted Oct 11, 2016
Base term plus 277 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Jan 31, 2014
Jan 31, 2014
Term ends
Nov 4, 2034
Nov 4, 2034
Granted
Oct 11, 2016
Oct 11, 2016
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
277
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.
This patent's term runs 277 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Jan 31, 2014, when this application, 14/170,064, was filed | Jan 31, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +277 days, USPTO patent term adjustment record | Nov 4, 2034 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Nov 4, 2034 | High confidence |
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 4, 2014 Reel 32136, frame 807 | Chalasani, Prasad; Rao, Venkata N.s.n. | Kool Chip, Inc. | Assignment of Assignor's Interest |
| Oct 13, 2015 Reel 36785, frame 762 | Kool Chip, Inc. | Soctronics, Inc. | Assignment of Assignor's Interest |
| May 20, 2019 Reel 49233, frame 278 | Soctronics, Inc. | Invecas, Inc. | Assignment of Assignor's Interest |
| Feb 29, 2020 Reel 51971, frame 624 | Invecas, Inc. | Synopsys, 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
Nov 2034
Term ends Nov 4, 2034. Maintenance fees still fall due before then
Note
The 277 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 2016 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.