Form: 4

Statement of changes in beneficial ownership of securities

May 31, 2017

FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
CROXALL DOUGLAS B
   2. Issuer Name and Ticker or Trading Symbol
Marathon Patent Group, Inc. [MARA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO, Chairman
(Last)
(First)
(Middle)
11100 SANTA MONICA BLVD., STE. 380		 3. Date of Earliest Transaction (Month/Day/Year)
05/23/2017
(Street)

LOS ANGELES, CA 90025		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option $ 6.4 05/23/2017   D     220,000   (1) 11/03/2024 Common Stock 220,000 $ 0 0 D  
Option $ 2.64 05/23/2017   D     307,692   (2) 06/11/2018 Common Stock 307,692 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CROXALL DOUGLAS B
11100 SANTA MONICA BLVD., STE. 380
LOS ANGELES, CA 90025		   X     CEO, Chairman  

Signatures

 /s/Douglas Croxall   05/31/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 220,000 options to purchase shares of the Issuer's common stock were granted on 11/03/2014 (adjusted for the 1:2 stock dividend issued on December 2, 2014), which vested in 24 equal installments over a 24-month period beginning on November 3, 2014. On May 23, 2017, Mr. Croxall returned 220,000 of such options, respectively, for cancellation.
(2) 307,692 options to purchase shares of the Issuer's common stock were granted on 6/11/2013 (adjusted for the 1:2 stock dividend issued on December 2, 2013) ), which vested in 24 equal installments over a 24-month period beginning on June 11, 2013. On May 23, 2017, Mr. Croxall returned all of such options in the amount of 307,692 for cancellation.

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