Description of Business and Basis of Presentation	6 Months Ended
Jun. 30, 2018
Description of Business and Basis of Presentation [Abstract]
Description of Business and Basis of Presentation	DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Description of Business. As used herein, “Acacia” and the “Company” refer to Acacia Research Corporation and/or its wholly and majority-owned and controlled operating subsidiaries, and/or where applicable, its management. Acacia’s operating subsidiaries invest in, license and enforce patented technologies. Acacia’s operating subsidiaries partner with inventors and patent owners, applying their legal and technology expertise to patent assets to unlock the financial value in their patented inventions. Acacia also identifies opportunities to partner with high-growth and potentially disruptive technology companies. These partnerships usually involve an equity or debt investment by Acacia, along with entering into intellectual property (“IP”) related agreements where Acacia provides IP and other patent related services to these companies. Acacia leverages its experience, expertise, data and relationships developed as a leader in the IP industry to pursue these opportunities. In some cases, these opportunities will complement, and/or supplement Acacia’s primary licensing and enforcement business. Acacia’s operating subsidiaries generate revenues and related cash flows from the granting of IP rights for the use of patented technologies that its operating subsidiaries control or own. Acacia’s operating subsidiaries assist patent owners with the prosecution and development of their patent portfolios, the protection of their patented inventions from unauthorized use, the generation of licensing revenue from users of their patented technologies and, where necessary, with the enforcement against unauthorized users of their patented technologies through the filing of patent infringement litigation. Acacia’s operating subsidiaries are principals in the licensing and enforcement effort, obtaining control of the rights in the patent portfolio, or control of the patent portfolio outright. Neither Acacia nor its operating subsidiaries invent new technologies or products; rather, Acacia depends upon the identification and investment in new patents, inventions and companies that own IP through its relationships with inventors, universities, research institutions, technology companies and others. If Acacia’s operating subsidiaries are unable to maintain those relationships and identify and grow new relationships, then they may not be able to identify new technology-based opportunities for sustainable revenue and/or revenue growth. During the six months ended June 30, 2018, Acacia did not obtain control of any new patent portfolios. During fiscal year 2017 Acacia obtained control of one new patent portfolio. In fiscal year 2016, Acacia obtained control of two new patent portfolios, compared to three new patent portfolios, and six new patent portfolios in fiscal years 2015 and 2014, respectively. Basis of Presentation. The accompanying condensed consolidated financial statements include the accounts of Acacia and its wholly and majority-owned and controlled subsidiaries. Material intercompany transactions and balances have been eliminated in consolidation. The accompanying condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, certain information and footnotes required by U.S. GAAP in annual financial statements have been omitted or condensed in accordance with quarterly reporting requirements of the Securities and Exchange Commission (“SEC”). These interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2017, as reported by Acacia in its Annual Report on Form 10-K filed with the SEC. The December 31, 2017 condensed consolidated balance sheet was derived from audited financial statements but does not include all disclosures required by U.S. GAAP. The condensed consolidated interim financial statements of Acacia include all adjustments of a normal recurring nature which, in the opinion of management, are necessary for a fair statement of Acacia’s consolidated financial position as of June 30, 2018, and results of its operations and its cash flows for the interim periods presented. The consolidated results of operations for the three and six months ended June 30, 2018 are not necessarily indicative of the results to be expected for the entire fiscal year.

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

Description of Business. As used herein, “Acacia” and the “Company” refer to Acacia Research Corporation and/or its wholly and majority-owned and controlled operating subsidiaries, and/or where applicable, its management.

Acacia’s operating subsidiaries invest in, license and enforce patented technologies. Acacia’s operating subsidiaries partner with inventors and patent owners, applying their legal and technology expertise to patent assets to unlock the financial value in their patented inventions. Acacia also identifies opportunities to partner with high-growth and potentially disruptive technology companies. These partnerships usually involve an equity or debt investment by Acacia, along with entering into intellectual property (“IP”) related agreements where Acacia provides IP and other patent related services to these companies. Acacia leverages its experience, expertise, data and relationships developed as a leader in the IP industry to pursue these opportunities. In some cases, these opportunities will complement, and/or supplement Acacia’s primary licensing and enforcement business.

Acacia’s operating subsidiaries generate revenues and related cash flows from the granting of IP rights for the use of patented technologies that its operating subsidiaries control or own. Acacia’s operating subsidiaries assist patent owners with the prosecution and development of their patent portfolios, the protection of their patented inventions from unauthorized use, the generation of licensing revenue from users of their patented technologies and, where necessary, with the enforcement against unauthorized users of their patented technologies through the filing of patent infringement litigation. Acacia’s operating subsidiaries are principals in the licensing and enforcement effort, obtaining control of the rights in the patent portfolio, or control of the patent portfolio outright.

Neither Acacia nor its operating subsidiaries invent new technologies or products; rather, Acacia depends upon the identification and investment in new patents, inventions and companies that own IP through its relationships with inventors, universities, research institutions, technology companies and others. If Acacia’s operating subsidiaries are unable to maintain those relationships and identify and grow new relationships, then they may not be able to identify new technology-based opportunities for sustainable revenue and/or revenue growth.

During the six months ended June 30, 2018, Acacia did not obtain control of any new patent portfolios. During fiscal year 2017 Acacia obtained control of one new patent portfolio. In fiscal year 2016, Acacia obtained control of two new patent portfolios, compared to three new patent portfolios, and six new patent portfolios in fiscal years 2015 and 2014, respectively.

Basis of Presentation. The accompanying condensed consolidated financial statements include the accounts of Acacia and its wholly and majority-owned and controlled subsidiaries. Material intercompany transactions and balances have been eliminated in consolidation.

The accompanying condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, certain information and footnotes required by U.S. GAAP in annual financial statements have been omitted or condensed in accordance with quarterly reporting requirements of the Securities and Exchange Commission (“SEC”). These interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2017, as reported by Acacia in its Annual Report on Form 10-K filed with the SEC. The December 31, 2017 condensed consolidated balance sheet was derived from audited financial statements but does not include all disclosures required by U.S. GAAP.

The condensed consolidated interim financial statements of Acacia include all adjustments of a normal recurring nature which, in the opinion of management, are necessary for a fair statement of Acacia’s consolidated financial position as of June 30, 2018, and results of its operations and its cash flows for the interim periods presented. The consolidated results of operations for the three and six months ended June 30, 2018 are not necessarily indicative of the results to be expected for the entire fiscal year.