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Adrian De La Paz vs CA, Pilipinas Shell, Caltex, Mobil, Petron

ADRIAN DE LA PAZ, petitioner, vs. COURT OF APPEALS, PILIPINAS SHELL PETROLEUM CORPORATION, CALTEX (PHILIPPINES) INC., MOBIL OIL PHILIPPINES, INC. and PETRON CORPORATION, respondents.

G.R. No. 120150 | 2000-03-27

D E C I S I O N

YNARES_SANTIAGO, J.:

Petitioner Adrian de la Paz is a holder of Letter of Patent No.14132 issued by the Patent Office on February 27, 1981 for his alleged invention, Coco-diesel fuel for diesel engines and its manufacture. On March 7, 1983, petitioner filed a complaint with the Regional Trial Court of Olongapo City, Branch LXII, for infringement of patent with prayer for payment of reasonable compensation and for damages against respondents Pilipinas Shell Petroleum Corp., Caltex (Phils.), Mobil Oil Philippines Inc. and Petrophil Corporation. There was no mention in the complaint of the amount of damages being claimed but...