Supplementary information
From the following article
Shortened life spans of biotech pioneer patents in Japan: a lesson from the DNA chip
Tomomi Aida, Atsuo Konishi, Masatoshi Hagiwara & Kazunori Hashimoto
Nature Biotechnology 25, 533 - 535 (2007)
doi:10.1038/nbt0507-533
Supplementary Fig. 1
The examinations for pioneer DNA chip patents in Japan are quite strict
Supplementary Fig. 2
Prolonged examinations for biotechnology pioneer patents take place in Japan
Supplementary Table 1
Restricted validities of claims for OGT pioneer patents
Supplementary Table 2
Restricted validities of claims for Affymetrix pioneer patents
Supplementary Note 1
Claims of OGT's and Affymetrix's patents
Supplementary Note 2
Struggle between Affymetrix and the JPO
Supplementary Methods
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