Electrical Business


Hubbell files lawsuit against Watt Stopper/Legrand

September 22, 2008 | By Anthony Capkun

Hubbell Inc. and its subsidiary, Hubbell Building Automation Inc., have filed a federal lawsuit against The Watt Stopper Inc. (Watt Stopper), alleging infringement of several patents for adaptive sensing and zero crossing technology.

complaint was filed August 14 in the U.S. District Court for the
Western District of Texas. Hubbell and Hubbell Building Automation
allege that Watt Stopper is infringing eight of their patents by
making, using, importing, offering for sale and/or selling room
occupancy sensors designated as models: WS 200, PW 100 and PW 200
(formerly WA 200 and WA 300), WN 100, WI 200, WI 300, WD Series, UW
100, UW 200, DW 100, DW 200, TS 400, WPIR, CX 100, CI 200, CI 300, CI
355, CI 12, CI 24, CB 100, W Series, WT Series, UT 300, UT 355, DT 200,
DT 300, DT-355 and other models.

and Hubbell Building Automation seek a court-ordered injunction against
the production and sale of the infringing products as well as
additional damages. An injunction entered against Watt Stopper would
also extend to anyone with notice of the injunction that acts with—or
on behalf of—Watt Stopper to promote sales of the products named in the

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