Company: PTHS
Filing Date: 2025-05-27
Form Type: DEFM14C
Source: 0001140361-25-020509
Chunk: 373

Company: Pelthos Therapeutics Inc.
Filing Date: 2025-05-27
Form: DEFM14C
Chunk 373
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, academic institutions, governmental agencies, and public and private research institutions.

ZELSUVMI is the first and only FDA-approved prescription pharmaceutical therapy for the treatment of molluscum contagiosum that can be administered by patients or caregivers outside of a medical setting. The Company believes the key competitive factors affecting the success of ZELSUVMI are likely to be its efficacy, safety, convenience, pricing, and stability. With respect to ZELSUVMI for the treatment of molluscum contagiosum, the Company will be primarily competing with therapies such as other topical products, curettage, cryotherapy, laser surgery, natural oils, off-label drugs, natural remedies, and cantharidin.

#### Intellectual Property
Under the Exclusive License and Sublicense Agreement with Ligand, dated March 24, 2025, LNHC acquired exclusive rights to a robust IP portfolio that provides material coverage for ZELSUVMI, which includes patents and patent applications covering the ZELSUVMI product and its use for treating molluscum contagiosum; trademarks; and know-how and trade secrets covering various aspects of the nitric oxide NITRICIL Technology Platform in addition to manufacturing, research, development, formulation, analytical chemistry and analytical science know-how.

There are 14 issued U.S. patents covering ZELSUVMI which are listed in the Orange Book and which are expected to expire during the time period beginning in 2026 and ending in 2035. Upon the initial approval of ZELSUVMI, we applied for 1,280 days of patent term extension (“PTE”) for the U.S. patent covering ZELSUVMI compositions. Assuming grant of the PTE application, the term of this patent may be extended from February 27, 2034, to August 30, 2037.

#### Other Patent Data
Patent Term

Individual patents extend for varying periods depending on the date of filing of the patent application or the date of patent issuance and the legal term of patents in the countries, in which they are obtained. Generally, utility patents issued from applications in the United States are granted for a term of 20 years from the earliest effective non-provisional filing date. In addition, in certain instances, a patent’s term can be adjusted to recapture a portion of

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#### TABLE OF CONTENTS
the USPTO’s delay in examining and issuing the patent, and extended to recapture a portion of the patent term effectively lost as a