3 patents currently held
281 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.
44 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2035. from the record
Of the 281 now held by other companies, 174 name Unify Beteiligungsverwaltung GmbH and Co. KG as their current owner, and 107 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
Dec 2035
Next term end
3
Patent families
When these terms end
Held patents by the year their term ends
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
Notable
Ends no later than Nov 2036 · Medium confidence
Also notable
Ends Jun 2036 · High confidence
Also notable
Ends Dec 2035 · High confidence
Communication System and Method of Using the Same
US 11,558,437
Granted 2023. Computed term ends 2036. 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.
Method for Establishing a Telecommunication Connection in a Telecommunication System and Telecommunication System
US 11,540,338
Granted 2022. Computed term ends 2036. A terminal disclaimer caps this term to an earlier patent's.
Conferencing System and Method for Controlling the Conferencing System
US 12,205,613
Granted 2025. Too new for citation comparison; protection runs to 2035. A terminal disclaimer caps this term to an earlier patent's.
Formerly held, still cited
Notable
Ends Sep 2031 · High confidence
Cited by 70 later US patents, top 10% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2031.
now held by Unify Beteiligungsverwaltung GmbH & Co. KG
Also notable
Ends Mar 2031 · High confidence
Cited by 47 later US patents, top 25% of utility patents granted in 2014 in our data, and renewed at every maintenance window due so far. Protection runs to 2031.
now held by RingCentral, Inc.
Also notable
Ends Mar 2033 · High confidence
Cited by 29 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2033.
now held by RingCentral, Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 12 terms have ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Communication System and Method of Using the Same | 1 in force | to Nov 2036 |
| Method for Establishing a Telecommunication Connection in a Telecommunication System and Telecommunication System | 1 in force | to Jun 2036 |
| Conferencing System and Method for Controlling the Conferencing System | 1 in force | to Dec 2035 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,205,613 | Conferencing System and Method for Controlling the Conferencing System In force · High confidence | In force | High confidence | |
| US 11,540,338 | Method for Establishing a Telecommunication Connection in a Telecommunication System and Telecommunication System held by Unify Patente GmbH & Co. KG In force · High confidence | In force | High confidence | |
| US 11,558,437 | Communication System and Method of Using the Same In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 3: 281 patents in force now held by others · 349 patents ended · 67 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.