[Guest post]: The proportionality test in European patent law
The IPKat
DECEMBER 11, 2023
Oh, how times have changed. The US Supreme Court’s decision in eBay v MercExchange (2006) meant patents were no longer exclusive rights by definition and the implications and wisdom of that shift have been vigorously debated. US courts have developed the so-called ‘causal nexus’ test to prevent this from happening [e.g.
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