HG Law

Haley Guiliano team has extensive experience representing clients of all sizes and across a multitude of industries around the globe in connection with intellectual property matters. The firm has notable expertise in the life sciences industry.

Notable patent practitioners: James Haley, Karen Mangasarian, Brian Gummow.

Haley practices worldwide procurement, defense, and enforcement of patents in the biotechnology, biopharmaceutical, pharmaceutical, and chemical industries.

Mangasarian has extensive experience in the management of patent portfolios worldwide, patent life cycle management, and the development of competitive patent strategies.

2026

"They provide accurate, timely legal advice.  They consider the business needs of my company.  They are proactive in aligning their legal advice with out IP Strategy, and in helping my company refine its IP Strategy.  They are quick to anticipate and adjust to changing business needs.  Their team is diverse." 

Saeed Gholhaki

"Draft patent applications, craft office action responses, obtain allowances over close prior art, quickly understanding complex new inventions, providing legal advice with an understanding of our business and IP strategy."

2025

"They are very knowledgeable, produce high quality work and have reasonable rates."

James Leiz

"Jim is very knowledgeable and leads a team that delivers high quality patent applications."

The firm ws active recently drating patent applications for all aspects of Rivian’s electronic vehicles. The firm also assists Genentech with post-grant challenges to its patents.