.
7
Example
*2-supplier market, price is $10. 
–Patent holder sold 800 units @ $4 profit/unit, infringer sold 200 units.
*Assume $1 price erosion (i.e., but-for price is $11).
*Lost profits NOT $1,800.
–$1,800 = $1 ´ 1,000 total units + $4 ´ 200 “lost” units.
*Ignores price elasticity.