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3. LOSS PER SHARE | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
LOSS PER SHARE | 3. LOSS PER SHARE The following table presents the shares of common stock outstanding used in the calculation of basic and diluted net income (loss) per share:
|  | Three Months Ended |
|  | March 31, |
|  | 2021 |  |  | 2020 |
|  | (In thousands, except share and per share information) |
Numerator: |  |  |  |  |  |
Net loss attributable to Acacia Research Corporation |  | $ | (164,618 | ) |  | $ | (11,291 | )
Dividend on Series A redeemable convertible preferred stock |  |  | (263 | ) |  |  | (263 | )
Accretion of Series A redeemable convertible preferred stock |  |  | (852 | ) |  |  | (631 | )
Undistributed earnings allocated to participating securities |  |  | 29,068 |  |  |  | – |
Net loss attributable to common stockholders - basic and diluted |  |  | (136,665 | ) |  |  | (12,185 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders - basic and diluted |  |  | 48,596,040 |  |  |  | 49,875,396 |
Basic and diluted net loss per common share |  | $ | (2.81 | ) |  | $ | (0.24 | )

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