Chris Larosa clarosa at biocomp.unl.edu
Wed Jan 19 17:02:36 EST 2000

Dont worry about the patent licence in the united states.  The Hoffman-LaRoche/PE
patents were recently invalidated in US federal court.

"Dr. Duncan Clark" wrote:

> In article <864h22$q48$1 at clematis.singnet.com.sg>, Chong Wai Yin( Zhang
> Weixian) <wychong at singnet.com.sg> writes
> >Hi, does anyone know which company or who patented the PCR and the nature of
> >the patent (eg does it patent the process or...)? What is amount of
> >royalties that I need to pay if I use PCR. Is it that the royalties is
> >included when I buy a thermal cycler? Thanks for answering my questions.
> The PCR process was patented by Cetus, later bought by F. Hoffmann-La-

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