Table 15.

Pfizer Inc. (USA) patent portfolio and degree of technology and R&D concentration.

Target Technology (ADC Therapy)				Corporate Patent Holdings
The number of patents in the last 20 years (A)	The number of patents in the last 5 years (B)	Degree of technology concentration in the last 20 years (%) (C = A/E)	Degree of recent concentration in the last 5 years (%) (D = B/A)	Total application number in the last 20 years (E)	Application number in the last 5 years (F)	Degree of R&D concentration in the last 5 years (%) (G = F/E)
172	60	2.28	34.88	7555	1314	17.39