UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 6)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. [  ]

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(1) Consists of (a) 1,786,531 shares of common stock, par value $0.02 per share of Document Security Systems, Inc. (the “Common Stock”) held by Heng Fai Holdings Limited (“Heng Fai Holdings”), (b) 500,000 shares of Common Stock held by BMI Capital Partners International Limited (“BMI Capital”), (c) 683,000 shares of Common Stock held by Hengfai Business Development Pte Ltd. (“Hengfai Business Development”), (d) 2,077,682 shares of Common Stock held by the Reporting Person; and (e) 446,428 shares of Common Stock held by LiquidValue Development Pte Ltd.

(2) Based on 30,180,626 shares of Common Stock outstanding.

This Amendment No. 6 on Schedule 13D amends the statement on Schedule 13D, filed with the SEC on September 15, 2017, as amended by Amendment No. 1, filed with the SEC on July 6, 2018, Amendment No. 2, filed with the SEC on December 18, 2018, Amendment No. 3, filed on February 20, 2019, Amendment No. 4, filed on March 27, 2019 and Amendment No. 5, filed on June 11, 2019 (the “Fifth Amended Schedule 13D”), which relates to the Common Stock of the Issuer filed by Heng Fai Ambrose Chan (the “Reporting Person”). Except as previously amended and expressly amended below, the Fifth Amended Schedule 13D remains in effect and capitalized terms not defined herein are defined in the Fifth Amended Schedule 13D.

Item 1. Security and Issuer

The title and class of equity securities to which this Amendment No. 6 to the Schedule 13D relates is the common stock, $0.002 par value, of Document Security Systems, Inc., a New York Corporation (the “Issuer”). The principal offices of the Issuer are located at 200 Canal View Boulevard, Suite 300, Rochester, NY 14623.

Item 2. Identity and Background

(a) This statement is being filed by Heng Fai Ambrose Chan (the “Reporting Person”).

(b) The business address of the Reporting Person is c/o Singapore eDevelopment Limited, 7 Temasek Boulevard #29-01B, Suntec Tower One, Singapore 038987.

(c) The Reporting Person is the Chairman and Chief Executive Officer of Singapore eDevelopment Limited and is the Chairman and Chief Executive Officer of HF Enterprises Inc. The business address of Singapore eDevelopment Limited is 7 Temasek Boulevard #29-01B, Suntec Tower One, Singapore 038987. The business address of HF Enterprises Inc. is 4800 Montgomery Lane, Suite 210, Bethesda, MD 20814. The Reporting Person also serves as Executive Chairman of the Issuer and as Executive Chairman and Chief Executive Officer of one of the Issuer’s subsidiaries. The Issuer has a business address at 200 Canal View Boulevard, Suite 300, Rochester, NY 14623.

(d) During the last five years, the Reporting Person has not been convicted in a criminal proceeding (excluding traffic violations and similar misdemeanors).

(e) During the last five years, the Reporting Person has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result thereof were or are subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f) The Reporting Person is a citizen of the Republic of Singapore.

Item 3. Source and Amount of Funds or Other Considerations

On July 23, 2019, the Issuer issued to the Reporting Person a restricted stock grant of 74,770 shares of the Issuer’s Common Stock (the “Stock Award”), pursuant to the Issuer’s 2013 Employee, Director and Consultants Equity Incentive Plan (the “Plan”), in consideration for the Reporting Person’s services as Executive Chairman of the Issuer and Executive Chairman and Chief Executive Officer of the Issuer’s subsidiary.

Item 4. Purpose of Transaction

The Issuer determined that it was in the best interest of the Issuer and its stockholders to issue the Reporting Person the Stock Award pursuant to the Plan.

The Reporting Person has previously increased his ownership in the Issuer and may add to his holdings of the Issuer’s common stock in the future.

The Reporting Person has from time to time recommended individuals to potentially serve as directors of the Issuer.

 Item 5. Interest in Securities of the Issuer

Ownership by affiliate Heng Fai Holdings Limited: 1,786,531 shares of Issuer’s common stock, par value $0.02 per share.

Ownership by affiliate BMI Capital Partners International Limited: 500,000 shares of Issuer’s common stock, par value $0.02 per share.

Ownership by affiliate Hengfai Business Development Pte. Ltd.: 683,000 shares of Issuer’s common stock, par value $0.02 per share.

Ownership by affiliate LiquidValue Development Pte Ltd: 446,428 shares of Issuer’s common stock.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.