Exhibit 3.1

CERTIFICATE OF AMENDMENT

OF THE

EIGHTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

OF

EDGE THERAPEUTICS, INC.

Edge Therapeutics, Inc., a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “Corporation”),

DOES HEREBY CERTIFY THAT:

FIRST: That, on March 13, 2019, the Board of Directors of the Corporation (the “Board”) declared advisable and approved the following amendment to the Eighth Amended and Restated Certificate of Incorporation of the Corporation:

WHEREAS, Sections 242(a)(1) and 242(b)(1) of the General Corporation Law of the State of Delaware provide that the board of directors of a corporation may amend its certificate of incorporation after receipt of payment for its capital stock to change its corporate name without submitting such amendment to a vote of its stockholders; and

WHEREAS, the Board declares it advisable and in the best interest of the Corporation and its stockholders to amend the Eighth Amended and Restated Certificate of Incorporation of the Corporation (the “Certificate of Incorporation”), at the effective time of the merger of Echos Merger Sub, Inc. with and into PDS Biotechnology Corporation (the “Effective Time”), to change the name of the Corporation from “Edge Therapeutics, Inc.” to “PDS Biotechnology Corporation” (the “Corporate Name Change”).

NOW, THEREFORE, BE IT:

RESOLVED, that, at the Effective Time, “ARTICLE I – NAME” of the Eighth Amended and Restated Certificate of Incorporation shall be deleted and replaced in its entirety with the following:

“The name of the corporation is PDS Biotechnology Corporation (the “Corporation”).”

RESOLVED, that, at the Effective Time, the officers of the Corporation be, and each of them hereby is, authorized, empowered and directed to file a Certificate of Amendment (the “Certificate of Amendment”) to the Eighth Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware, and to take all other actions necessary or appropriate to effect the Corporate Name Change.

SECOND: That the aforesaid amendment was duly adopted in accordance with the applicable provisions of Sections 242(a)(1) and 242(b)(1) of the General Corporation Law of the State of Delaware without a meeting or vote of the Corporation’s stockholders.

THIRD: That this Certificate of Amendment to the Eighth Amended and Restated Certificate of Incorporation shall be effective upon filing.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Amendment as of the 15th day of March, 2019.

EDGE THERAPEUTICS, INC.
By:	/s/ Andrew Saik
Name:	Andrew Saik
Title:	Chief Financial Officer