fw enron accused infringing patent electronic trading story appeared bloomberg today true served today based vance meyer pr conversation legal current media response comment litigation mark taylor richard sanders travis mccullaugh attorney v meyer vance philipp meredith denne karen subject enron accused infringing patent electronic trading enron accused infringing patent electronic trading 2001 09 21 15 07 new york enron accused infringing patent electronic trading marshall texas sept 21 bloomberg enron corp largest energy trader online unit accused lawsuit infringing texas company patent electronic trading system bid ask llc baird texas formerly called auction source llc said sole rights owner patent issued may 2000 real time network exchange seller specified exchange parameters interactive seller participation houston based enron enrononline unit improperly using patented technology internet based electronic trading facility according lawsuit filed sept 17 federal court marshall texas enron trades commodities natural gas electricity trading network bid ask seeks court order blocking enron infringing patent asking damages enrononline began trading electricity natural gas november 1999 second quarter 2001 handled 1 million transactions valued 685 billion company said enron also trades space fiber optic networks coal paper commodities net income 979 million revenue 100 8 billion 2000 official enron immediately reached comment shares enron rose 13 cents 28 52 midafternoon trading