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Cancer Vaccines
U.S. Patent Office Upholds Two Additional Human Embryonic Stem Cell Patents in Reexamination Decisions
March 29th, 2008
Geron Corporation (Nasdaq:GERN) announced that the U.S. Patent Office has upheld the validity of two additional patents for human embryonic stem cells (hESCs) that were challenged through reexamination proceedings. In its latest communication, the Patent Office issued Notices of Intent to Issue Ex Parte Reexamination Certificates for U.S. Patent Numbers 5,843,780 and 6,200,806, which claim preparations of, respectively, primate and human embryonic stem cells and methods for their isolation. During the proceedings, the Wisconsin Alumni Research Foundation (WARF), an organization to which the patents are assigned, made minor amendments to certain claims to improve clarity...
Source: Law & Health Weekly (2008-03-29)
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