0 patents currently held
50 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 50 US patents in force on its record. from the record
Of the 50 now held by other companies, 45 name Interface Technology Chengdu Co. Ltd. as their current owner, and 5 more name another party. Each row says which.
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
Held patents by the year their term ends
2026 · 0 end2027 · 02028 · 02029 · 02030 · 0
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
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 Jul 2041 · High confidence
The most cited patent in this portfolio, cited by 3 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2041.
now held by Interface Technology (Chengdu) Co., Ltd.
Also notable
Ends Aug 2041 · High confidence
The newest of the three, granted 2023. It anchors the portfolio to 2041, later than anything else here.
now held by Interface Technology (Chengdu) Co., Ltd.
Also notable
Ends May 2041 · High confidence
The newest of the three, granted 2023. It anchors the portfolio to 2041, later than anything else here.
now held by Interface Technology (Chengdu) Co., Ltd.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 2026
Patents held now
Soonest term end first.
Also on record: 50 patents in force now held by others · 5 applications pending · 2 applications abandoned. 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.