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Philip B.Sineneng

PartnerFirmwide Chair, Diversity, Equity & Inclusion Initiativemoc.eniHnospmohT@gneneniS.pilihP

O 614.469.3217

Philip B.Sineneng

Firmwide Chair, Diversity, Equity & Inclusion Initiativemoc.eniHnospmohT@gneneniS.pilihP

O 614.469.3217

Focus Areas

  • Structuring and developing fund registration statements, board materials, proxy statements, exemptive applications and compliance procedures for mutual funds, closed-end funds and exchange traded funds.
  • Working closely with portfolio management and distribution teams on all aspects of an investment product during its life cycle.
  • Assisting advisers in the preparation of 15(c) materials for mutual fund clients
  • Representing boards of directors and advisers in reorganizations, mergers, acquisitions and other business combinations of investment companies, including negotiating and drafting plans of reorganization, tax opinions and related due diligence and closing documents.
  • Obtaining directed verdict in favor of Fortune 100 company’s award of state contract worth approximately $900 million annually, and defeating challenge by two other losing bidders which was affirmed on appeal.
  • Obtaining jury verdict for international bank in a $10.3 million breach of contract claim concerning the banks role as servicer of four large pools of automobile loans totaling $500 million.
  • Successfully arguing certified question of state law before Ohio Supreme Court.
  • Winning reversal of summary judgment in Twelfth District Court of Appeals to hold individual shareholders accountable for debt of limited liability company.
  • Successfully defending a prestigious health care facility from allegations that it violated the Family & Medical Leave Act.
  • Winning summary judgment in federal court on claims of breach of express and implied warranties, product liability and negligent design, on behalf of an agricultural equipment manufacturer.
  • Defeating negligence, negligent misrepresentation, intentional infliction of emotional distress claims, and sexual, gender, and national origin harassment claims brought by former employees against a military intelligence support government contractor in federal and state courts.
  • Ongoing representation of large and small businesses in contested statewide electric rate cases and applications for special arrangements related to renewable energy standards before the Public Utilities Commission of Ohio.
  • Representing small businesses impacted by proposed wind turbine farms before the Ohio Power Siting Board.
  • Assisting team in defeating class certification in defense of a global package and freight carrier from proposed nationwide breach of contract class action lawsuit.
  • Ongoing representation of a prominent motor carrier in a patent infringement law suit after successful consolidation of individual actions into a multi-district litigation for pretrial proceedings.
  • Assisting team in successful $35 million settlement on behalf of a pharmaceutical client in multi-jurisdictional litigation based on claims for misappropriation of trade secrets, breach of contract and fraud.
  • Representing public and private entities in Native American land claims and related litigation, resulting in important U.S. Supreme Court and Second Circuit precedents on the availability of equitable defenses in Native American land claim law.
  • Representing a generic drug manufacturer in various state Attorney General suits asserting common law fraud claims, consumer protection claims and alleging violations of RICO and the false claims act.
  • Defending a syndicate of lending bankers alleging fraudulent conveyance and breach of fiduciary duty in connection with an insurance company’s emergence from bankruptcy.
  • Representing an agent bank in an adversarial proceeding arising from the bankruptcy of a large cable company.
  • Assisting team in defending an international bank in securities litigation and related lawsuits in connection with the Enron bankruptcy.
  • Obtaining dismissal of contract, fiduciary duty, negligence and tort claims brought by participants of a U.S. visa program against the program administrator.
  • Presenter, “SEC Rulemaking Roundup: What’s Next?” Thompson Hine Investment Management Coffee Chat, December 13, 2023
  • Presenter, “The Ghosts of Section 36(b) Excessive Fee Litigation: Past, Present and Future,” Thompson Hine Investment Management Coffee Chat Webinar Series, November 2021
  • Presenter, “Recent Trends in Shareholder Litigation,” Thompson Hine Investment Management Coffee Chat Webinar Series, October 27, 2021
  • Presenter, “Considerations for Fund Governance,” Thompson Hine Investment Management Coffee Chat Webinar Series, May 19, 2021
  • Presenter, “ESG Investing from Different Angles,” Thompson Hine Investment Management Coffee Chat Webinar Series, March 31, 2021
  • Selected for inclusion in Forty Under 40, Columbus Business First, 2013
  • Recipient of the 2014 Ohio Diversity Council’s Multicultural Leadership Award
  • Recipient of the 2013 Leadership Columbus Walk the Talk Award
  • Selected as an Ohio Super Lawyer by Ohio Super Lawyers, 2017-2020
  • Selected as an Ohio Rising Star by Ohio Super Lawyers, 2012-2016
  • Selected as Top Lawyer by Columbus CEO, 2015
  • Recipient of the 2005 inMotion, Inc. Commitment to Justice Award

Professional Associations

  • Ohio State Bar Association
  • Columbus Bar Association

Community Activities

  • Leadership Council on Legal Diversity Fellows Program, Class of 2021
  • Asian and Pacific American Bar Association of Central Ohio, Board Member
  • Ohio Business Week Foundation, Board of Trustees (2015-2020), Secretary (2018-2020)
  • Ohio State Bar Foundation, Fellow
  • Ohio State Bar Association Leadership Academy, Class of 2013
  • Leadership Columbus, Class of 2012


  • Cornell University Law School, J.D., 2001,

    note editor, Cornell Law Review

  • Georgetown University, B.A., 1997,
    cum laude

Bar Admissions

  • Ohio
  • New York

Court Admissions

  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Northern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Northern District of Ohio
  • U.S. District Court for the Southern District of Ohio
  • U.S. Court of Appeals for the First Circuit
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. Court of Appeals for the Federal Circuit


  • Tagalog (Philippines)
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