Patent Transparency and Improvements Act of 2013

[AI summary unavailable — showing source text] Patent Transparency and Improvements Act of 2013 - Directs a court to require a patentee who has filed a civil action for patent infringement to disclose to the court and to all adverse parties any persons, associations, corporations (including parent corporations), or other entities known by the patentee to have: (1) a financial interest in the subject matter in controversy or in a party to the proceeding, or (2) any other interest that could be substantially affected by the outcome of the proceeding. Requires any assignment of all substantial rights in an issued patent that results in a change to the ultimate parent entity to be recorded in the U.S. Patent and Trademark Office (USPTO) within three months of the assignment. Prohibits a party asserting infringement from recovering increased damages or attorney's fees with respect to infringing activities taking place during any period of noncompliance in which the ultimate parent entity of an assignee has not been disclosed to the USPTO. Requires courts, if such an assignment has not been disclosed, to award a prevailing accused infringer reasonable attorney's fees and expenses incurred in discovering any previously undisclosed ult…