In trademark disputes, enough to justify protracted and expensive litigation, as in the case of New Sensor Corporation v. CE Distributing, LLC, heard recently in US District Court in New York. At issue: the use of the name "Svetlana" on vacuum tubes distributed by both companies, but sourced from different factories.
In certain audiophile circles, Svetlana tubes have almost mythical status. Until four years ago, there was no doubt about their authenticity because the brandname applied only to tubes made in the Svetlana plant in St. Petersburg, operated by a Russian…