Andrea Porterfield advises U.S. and international companies on intellectual property strategies that drive product development, market expansion and long-term value. Her practice integrates patent and trademark strategy to protect innovation and brand in a coordinated, business-focused way.

Andrea leads a global trademark practice focused on the development, protection and enforcement of brand portfolios across multiple jurisdictions. She manages complex international portfolios and develops cross-border clearance, filing and enforcement strategies aligned with business objectives, local legal requirements and evolving risk. She handles high-stakes trademark disputes, including USPTO oppositions and multi-jurisdictional conflicts, and negotiates resolutions that balance legal and commercial priorities. She represents clients in UDRP proceedings before WIPO involving domain name disputes and advises on online brand enforcement, including infringement, misuse and anti-counterfeiting. She designs and implements global trademark monitoring and enforcement programs that help clients identify and address risk proactively and maintain brand strength over time. She advises on global brand clearance and naming strategy, helping clients launch and expand brands with reduced risk, and conducts trademark due diligence in connection with mergers and acquisitions.

Andrea also advises on global patent strategy, preparing and prosecuting U.S. and international patent applications across technologies including agricultural science and animal health, particularly pesticidal protection formulations for plants and animals, nutritional and feed additive technologies and animal wellness formulations. With a background in chemistry, she advises on complex formulation-based technologies, including active ingredient compositions and delivery systems, and develops and manages patent portfolios aligned with commercialization and growth objectives. Her experience includes identifying patent assets, evaluating third-party IP for acquisition or licensing, conducting IP due diligence in connection with mergers and transactions and defending patents in inter partes review proceedings.