The Patent Finder

Session Link Research LLC

19 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Sep 2027
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Nov 14, 2026
    The maintenance fee for Method and system for call routing (US 10,291,661) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
  • 1 fee due Jan 14, 2027
    The maintenance fee for System and methods for multi-participant teleconferencing using preferred forms of telecommunication (US 9,083,771) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
  • 1 fee due Jun 30, 2027
    The maintenance fee for Internet of things services architecture (US 10,524,116) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 8,265,062System and method for accomplishing special call treatment in a voice over internet protocol telephone system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,083,771System and methods for multi-participant teleconferencing using preferred forms of telecommunication
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,911,932Method and system for hub breakout roaming
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,788,188Method and system for hub breakout roaming
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,392,436Method and apparatus for voice over LTE
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,629,018Method and apparatus for triggering management of communication flow in an inter-network system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,291,661Method and system for call routing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,693,219User profile conversion to support roaming
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 10,263,903Method and apparatus for managing communication flow in an inter-network system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,961,209Codec selection optimization
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 19 patents shown.
Pro members see all 19.
Pro members: see all 19 patents
Also on record, not counted in the 19: 2 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited