0 patents currently held, every record listed here
5 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.
1 more record may belong here and awaits a decision; it is not counted.
This portfolio holds none of the 5 US patents in force on its record. from the record
Of the 5 now held by other companies, 4 name Broadex Technologies UK Ltd. as their current owner, and 1 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
Each bar runs from grant to computed term end. 2017 to 2037.
US 10,178,452
Optical Interconnect Having Optical Splitters and Modulators Integrated on Same Chip
no later than Mar 21, 2037
20212025202920332037
A dotted end marks a recorded terminal disclaimer this site has not resolved: the term can only be shorter than the bar, never longer.
Every computed term in this portfolio is shown above.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 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 Dec 2036 · High confidence
The most cited patent in this portfolio, cited by 8 later US patents, top 25% of utility patents granted in 2020 in our data. Protection runs to 2036.
now held by Broadex Technologies UK Ltd.
Also notable
Ends Sep 2037 · High confidence
The newest of the three, granted 2020. It anchors the portfolio to 2037, later than anything else here.
now held by Broadex Technologies UK Ltd.
Also notable
Ends Feb 2030 · High confidence
The largest patent family in this portfolio, 8 related applications, renewed at every maintenance window due so far. Protection runs to 2030. A terminal disclaimer caps this term to an earlier patent's.
now held by T&S Communications Co. Ltd.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first.
Also on record: 5 patents in force now held by others · 16 patents ended · 12 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.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed