Company: SCLXW
Filing Date: 2025-09-29
Form Type: 424B3
Source: 0001193125-25-221018
Chunk: 8

Company: Scilex Holding Co
Filing Date: 2025-09-29
Form: 424B3
Chunk 8
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) keep confidential and use only for the
purposes of performing this Agreement any Confidential Information that Consultant or Consultant Key Person receives or has access to in the course of performing this Agreement. “Confidential Information” shall
include any Scilex information, in any media, written or oral, that is marked as confidential or which a reasonable person would understand to be confidential. Consultant will return any Confidential Information belonging to Scilex upon the first to
occur of: (a) Scilex’s request; (b) expiration of this Agreement; or (c) termination of this Agreement. The obligation of confidentiality shall survive for five (5) years from expiration or earlier termination of this
Agreement.

4. O WNERSHIP OFW ORKP RODUCT.

4.1 Pre-existingIntellectual Property.The Agreement does not affect the ownership of
inventions (whether patentable or unpatentable), works of authorship, and other developments existing as of the Effective Date, and all patents, copyrights, trade secret rights and other intellectual property rights to such inventions, discoveries,
works of authorship, and other developments, (collectively, “Pre-existingIntellectual Property”). Neither party shall have any rights to any
Pre-existing Intellectual Property of the other party, except as may be otherwise expressly provided in any other written agreement between the parties.

4.2 Intellectual Property.Scilex shall solely own all inventions (whether patentable or unpatentable), works of authorship, and
other developments that Consultant or Consultant Key Person conceives in performing the Agreement (collectively, “Intellectual Property”). Consultant shall promptly notify Scilex, in writing, of any Intellectual Property that
Consultant or Consultant Key Person conceives in performing this Agreement. Such notice shall provide a full written description of the Intellectual Property in sufficient detail to permit its understanding by one of ordinary skill in the art to
which the invention pertains.

4.3 Assignment and Other Rights.Consultant shall and hereby does assign to Scilex the
entirety of Consultant’s rights to any Intellectual Property that Consultant or Consultant Key Person conceives in performing the Agreement, and Consultant and Consultant Key Person will have no remaining rights to such Intellectual Property.
Scilex will have the right to prosecute, maintain, and enforce, at its expense, any patents and patent applications relating to such Intellectual Property, and will have all rights to damages or other recovery for infringement of any such patents,
without any obligation to Consultant or Consultant Key Person.