Exhibit 11.1 COMPETITIVE TECHNOLOGIES, INC. Schedule of Computation of Earnings Per Share (Unaudited) Year ended July 31, 1998 1997 1996 Net loss applicable to common stock $(1,235,489) $(1,571,045) $ (588,101) Common and common equivalent shares - diluted: Basic weighted average common shares outstanding 5,969,434 5,914,868 5,853,814 Adjustments for assumed exercise of stock options 38,571* 60,294* 64,736* Adjustments for assumed exercise of stock warrants 3,501* 15,310* 28,445* Weighted average number of common and common equivalent shares outstanding 6,011,506 5,990,472 5,946,995 Net loss per share of common stock: Basic and diluted $ (0.21) $ (0.27) $ (0.10) * Anti-dilutive. These calculations are submitted in accordance with Regulation S-K item 601 (b) (11) which differs from the requirements of paragraph 13 of Statement of Financial Accounting Standards No. 128 because they produce an anti- dilutive result.