IBM has announced (link) that it has obtained 4,186 patents in 2008 and is still number 1 in the rankings (for over 15 years!).
IBM is followed by respectively Samsung (3515), Canon (2114), Microsoft (2030) and Intel (1776).
IBM has also announced that it plans to :"increase by 50% -- to more than 3,000 -- the number of technical inventions it publishes annually instead of seeking patent protection."
Is this a shift in the IBM innovation patenting strategy?
The patent portfolio of IBM exceeds 40000 patents.
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