Leoniede Mary Brennan

Consulting Patent Attorney

Bio

Leoniede “Lee” Mary Brennan is an experienced intellectual property attorney and registered patent attorney dedicated to helping entrepreneurs, startups, and established enterprises protect their innovations and build strong brand identity. Lee brings multi-faceted legal expertise to evaluating, building, and safeguarding comprehensive IP portfolios that align with her clients’ core business objectives.

Practice Areas

Patent Preparation & Prosecution
Patentability, Validity, & Infringement Opinions
Freedom to Operate (FTO) Assessments
IP Due Diligence Investigations
Trademark Clearance & Registration
Portfolio Strategy & Management

Technical Focus & Industries

Medical Devices & Life Sciences
Biotechnology & Pharmaceuticals
Chemistry & Chemical Technology
Mechanical Engineering & Consumer Goods
Computer Software & Hardware
Microchip Fabrication
Business Methods & Design Patents

Education

Juris Doctor (J.D.) – Hamline University School of Law (now Mitchell Hamline School of Law)
Bachelor’s Degrees in Chemistry & Biology – Macalester College (St. Paul, MN)

Bar & Court Admissions

Registered to practice before the United States Patent and Trademark Office (USPTO)
Minnesota State Bar

It has been an absolute pleasure

It has been an absolute pleasure to work with Bold Patents. They are extremely knowledgeable in their areas, prompt with their communications & responses, transparent & honest with their findings, break complex IP information into simple & understandable terms. Each & every member that I have interacted with has been professional, friendly and well…

- Hndle LLC Team

From day one maintained a feeling of support

The Bold Patents team from day one maintained a feeling of support. BP definitely still provides “back in the day” customer service with a modern convenience. I never felt like I was just in a business deal. Even the fact that we are in different states had no effect on the patent process for…

- Jessica Ramirez, Tolleson, AZ

Get the Inventor’s
Patent Playbook

Bold (AI)deas — 3rd Edition

Written by Patent Attorney J.D. Houvener, this updated edition provides inventors, entrepreneurs, and startups with practical guidance for protecting ideas, avoiding costly mistakes, and navigating the patent process with confidence.

What You’ll Learn

How to determine if your invention is patentable
Common mistakes inventors make before filing
Strategies for protecting intellectual property
How patents can increase business value
Steps to move from idea to protected innovation

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Every Great Innovation Starts with a Bold First Step

Whether you’re exploring a new invention, building a startup, or preparing to file a patent application, our team is here to help you move forward with confidence. Get personalized guidance from experienced patent professionals who understand the challenges inventors face.