0 patents currently held
58 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 58 US patents in force on its record. from the record
Of the 58 now held by other companies, 33 name EMC IP Holding Company LLC as their current owner, and 25 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 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 Jan 2030 · High confidence
Cited by 147 later US patents, top 5% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2030.
now held by EMC IP Holding Company LLC
Also notable
Ends no later than Aug 2029 · Medium confidence
Cited by 107 later US patents, top 5% of utility patents granted in 2013 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
now held by EMC IP Holding Company LLC
Also notable
Ends Mar 2028 · High confidence
Cited by 109 later US patents, top 10% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028. A terminal disclaimer caps this term to an earlier patent's.
now held by EMC IP Holding Company LLC
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 2 terms have ended since Aug 17, 2026
Patents held now
Soonest term end first.
Also on record: 58 patents in force now held by others · 34 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.
3 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed