Interference No. 101,981
Based on these alleged dates, we construct the following timeline:
Batlogg Batlogg
conception/ filing
reduction date
to practice
Qadri Qadri Qadri
conception reduction filing
to practice date
Beyers Beyers Beyers
conception reduction filing
to practice date
1987 1 9 8 8
March 1 March 2March 3 … March 6 … March 11 … April 6-10 … Feb 2
Qadri's Case For Priority
We have reviewed the parties’ issues regarding Qadri’s
conception and diligence in reducing the invention to practice
(BaI4; QI2; QI3) and conclude that Qadri has not established
conception as of March 2, 1987.
Qadri, as a junior party to this interference, has the
burden of proving prior invention by a preponderance of the
evidence. 37 C.F.R. § 1.657(b). In an effort to sustain their
burden, Qadri relies on an extensive evidentiary record. Qadri
argues that they conceived of the invention on March 2, 1987 (QB
40-55), reduced the invention to practice during the period of
April 6, 1987 to April 10, 1987 (QB 55-57), and was reasonably
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