Also listed on Meta Systems SARL, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Oct 30, 2038 · High confidence
20-year base term ends Oct 30, 2038
Held by Siemens Industry Software Inc.
Filed Oct 30, 2018 as application 16/174,382 · Granted Mar 3, 2020
Base term, 20 years from filing
Today
2018
2038
Clock starts
Oct 30, 2018
Oct 30, 2018
Term ends
Oct 30, 2038
Oct 30, 2038
Granted
Mar 3, 2020
Mar 3, 2020
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 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 Oct 30, 2018, when this application, 16/174,382, was filed | Oct 30, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 30, 2038 | 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 |
|---|---|---|---|
| Nov 27, 2018 Reel 47587, frame 753 | Selvidge, Charles W.; Prusty, Ansuman; Kulshrestha, Vipul; Crouch, Kenneth W.; Dahl, Matthew | Mentor Graphics Corporation | Assignment of Assignor's Interest |
| Nov 27, 2018 Reel 47588, frame 9 | Vuillemin, Laurent | Meta Systems SARL | Assignment of Assignor's Interest |
| Nov 18, 2019 Reel 51037, frame 282 | Meta Systems SARL | Mentor Graphics (Ireland) Limited | Assignment of Assignor's Interest |
| Nov 18, 2019 Reel 51037, frame 435 | Mentor Graphics (Ireland) Limited | Mentor Graphics Corporation | Assignment of Assignor's Interest |
| Jun 29, 2021 Reel 56713, frame 76 | Mentor Graphics Corporation; Siemens Industry Software Inc. | Siemens Industry Software Inc. | Merger and 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.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 2038
Term ends Oct 30, 2038. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median 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.