** U.S.-listed shares of UK-based biotech co TILST.L
TLSA.O rise 21.5% to $4.9 premarket
** U.S. Patent and Trademark Office has granted patent on
methods and use of co's monoclonal antibodies for treatment of
Crohn's disease urn:newsml:reuters.com:*:nGNE79F55p
** Patent will be published on September 1 - TLSA
** Co plans to start mid-stage trial for treatment in Q4
** Up to Monday's close, stock was up nearly four-fold YTD
(Reporting by Dania Nadeem in Bengaluru)
((Dania.Nadeem@thomsonreuters.com; within U.S. +1 646 223 8780,
outside U.S. +91 80 6182 3463;))