** Tissue-based treatment developer's PTE.O shares rise
4.4% to 47 cent premarket
** PTE says https://bit.ly/3uVlB2C the U.S. Patents and
Trademarks Office has issued a U.S. patent for compositions that
relate to co's technology used to develop therapies based on
regenerative tissue
** This is co's fourth U.S. patent
** Shares fell as much as ~23% on Aug. 24 after U.S. FDA put
co's application for testing its skin repair product, SkinTE, in
chronic cutaneous ulcers on clinical hold urn:newsml:reuters.com:*:nL4N2PV2UY
** Stock lost ~23.3% this year, as of last close
(Reporting by Mrinalika Roy in Bengaluru)
((mrinalika.roy@thomsonreuters.com; within U.S. +1 646 223
8780, outside U.S. +91 806749 8325;))