The Patent Finder

Subcom

Also on record
Records under this name other than the patents Subcom holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 45 patents it holds.

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PatentTitleStatus Expires Confidence
US 8,775,589Distributed Network Management System and Method
Lapsed on the fee record
Ended Jul 8, 2026 · High confidence
Lapsed on the fee recordEnded Jul 8, 2026High confidence
US 7,398,023Method and Apparatus for Bias and Alignment Control in an Optical Signal Transmitter
Term ended
Term ended Jun 20, 2026 · High confidence
Term endedTerm ended Jun 20, 2026High confidence
US 7,373,054Optical Cable Shield Layer Connection
Term ended
Term ended May 17, 2026 · High confidence
Term endedTerm ended May 17, 2026High confidence
US 7,574,140Optical Transmission System Including Repeatered and Unrepeatered Segments
Term ended
Term ended Apr 17, 2026 · High confidence
Term endedTerm ended Apr 17, 2026High confidence
US 9,929,813Optical Communication System and Method Using a Nonlinear Reversible Code for Probablistic Constellation Shaping
Lapsed on the fee record
Ended Mar 27, 2026 · High confidence
Lapsed on the fee recordEnded Mar 27, 2026High confidence
US 8,682,159Optical Communication System Supporting Detection and Communication Networks
Lapsed on the fee record
Ended Mar 25, 2026 · High confidence
Lapsed on the fee recordEnded Mar 25, 2026High confidence
US 7,426,323Dispersion Management in Branched Optical Networks
Term ended
Term ended Feb 8, 2026 · High confidence
Term endedTerm ended Feb 8, 2026High confidence
US 9,806,840Transmission System and Method Using Mixed Modulation Formats
Lapsed on the fee record
Ended Oct 31, 2025 · High confidence
Lapsed on the fee recordEnded Oct 31, 2025High confidence
US 8,554,081Optical Add/Drop Multiplexer Including Reconfigurable Filters and System Including the Same
Lapsed on the fee record
Ended Oct 8, 2025 · High confidence
Lapsed on the fee recordEnded Oct 8, 2025High confidence
US 7,278,789Undersea Equipment Housing with Molded Terminations
Term ended
Term ended Sep 8, 2025 · High confidence
Term endedTerm ended Sep 8, 2025High confidence
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