U.S. SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): November 6, 2017

iBio, Inc.

(Exact name of registrant as specified in its charter)

Delaware

(State or jurisdiction of incorporation or organization)

001-35023

(Commission File Number)

26-2797813

(I.R.S. Employer Identification Number)

600 Madison Avenue, Suite 1601, New York, NY 10022-1737

(Address of principal executive offices (Zip Code)

Registrant's telephone number: (302) 355-0650

                                                 N/A                                                    

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

¨ Emerging growth company

iBio, Inc., a Delaware corporation (“iBio”), announced on November 6, 2017, that it initiated litigation against Fraunhofer-Gesellschaft (Fraunhofer) by filing a complaint in the Court of Chancery of the State of Delaware to remedy the consequences of Fraunhofer’s fraud and theft of iBio’s technology and intellectual property. This complaint follows iBio’s pending litigation filed in March 2015 against Fraunhofer USA, Inc., the U.S. unit of Fraunhofer, as reported in Item 3 of iBio’s Form 10-K for the year ended June 30, 2017.

*Filed herewith.

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.