0 patents currently held, every record listed here
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
This portfolio holds none of the 2 US patents in force on its record. from the record
Of the 2 now held by other companies, 2 name Siemens Industry Software Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end
When these terms end
Each bar runs from grant to computed term end. 2020 to 2042.
US 10,579,776
Selective Conditional Stall for Hardware-Based Circuit Design Verification
Oct 30, 2038
20252030203520402042
Every computed term in this portfolio is shown above.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
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Oct 2038 · High confidence
Granted 2020. Computed term ends 2038.
now held by Siemens Industry Software Inc.
Also notable
Ends May 2042 · High confidence
Granted 2026. Too new for citation comparison; protection runs to 2042.
now held by Siemens Industry Software Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 1 term has ended since Aug 17, 2026
Patents held now
Soonest term end first.
Also on record: 2 patents in force now held by others · 3 patents ended. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.