Patent Law v Competition Law: the Italian highest administrative delivers judgment on the Pfizer Xalatan case in favour of the Italian Competition Authority

By a judgment made on 14 January 2014 the Italian Council of State (CoS) delivers the appeal on the Pfizer Xalatan case (Case n. 116/2014) finding in favour of the appellant, the Italian Competition Authority (ICA). The ICA had previously found Pfizer to have abused its dominant position in the market for glaucoma medicines based on latanaprost when it deliberately misused the patent application procedures with the aim to prolong the patent protection for Xalatan (Case A431). More precisely, Pfizer relied on a patent divisional application to obtain a supplementary protection certificate, thereby extending the length of patent protection for its patented drug. In the ICA view, Pfizer  acted in this way with the intent to foreclose the market entry of generics when the patent term for Xalaton in Italy was due to expire soon. Therefore, the ICA imposed on Pfizer a fine of €10,6 million. The ICA decision was much debated within the competition law community and different views on whether the ICA analysis was correct were aired (see here and here).
Pfizer appealed the ICA decision to the Regional Administrative Court for Latium (TAR), arguing that it  legitimately filed the divisional application to protect its R&D investments. The Tar agreed with Pfizer. It pointed out that the ICA did not consider that the divisional patent had been revoked and took the view that Pfizer was only seeking to protect its invention within the limits of patent law.

The ICA and others challenged this judgment before the CoS that set aside the appealed judgment and reinstated the ICA decision and its findings. Up to date the CoS only published the ruling. The reasoning of the judgment will be available in a few months’ and will be eagerly awaited with the hope that it may shed some light on the turbulent relationship between competition and patent law exposed in the Pfizer Xalatan case.

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