Protect your work. Protect your trees.

Legal expertise in Trademark Law and Tree Law to safeguard what matters most.

You’ve worked hard to build your brand and maintain your trees—don’t let legal challenges uproot your success. The Law Offices of Derek A. Simpson provide expert legal guidance to ensure your trademarks and tree-related legal matters are fully protected.

Tree Law
Trademark Law
Derek Simpson_Lawyer_plaid suit

+ Decades of experience

+ Proven legal strategies

+ Personalized attention

Don’t Let Legal Challenges Slow You Down

A person wearing a helmet and climbing gear is in a tree, using a chainsaw to cut a branch.

Uncertain about your rights regarding trees on or near your property?

Tree-related disputes can lead to liability, costly removals, or property damage issues.

I’ve helped my clients with every single one of these problems.

Tree Law
Close-up of a metal statue of Lady Justice holding scales in her left hand and a sword in her right hand, with a plain, light gray background.

Worried about protecting your business name and brand identity?

If your brand identity is under threat, without protection, competitors can exploit your hard work.

I can help prevent that.

Trademark Law
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Bookshelves filled with various hardcover books, some with decorative spines, organized in multiple rows and labeled with small tags, in a library setting.

Your Trusted Legal Partner

A bald man wearing a light blue, patterned button-up shirt with a gray collar, smiling slightly, against a plain white background.

With over 30 years of specialized experience in Tree Law and Trademark Law, I understand the unique challenges you face. In my practice, I’ve helped businesses, homeowners, arborists, and municipalities navigate complex legal issues with confidence.

My practice is built on clear communication, practical solutions, and a commitment to protecting what matters most to you.

During my career, I’ve made over 13 presentations, published in three different journals, and successfully represented more than 100 clients.

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Kind Words from Clients

  • "We couldn’t have done this without your guidance and support. You represented us very well. Thank you for going the distance with us."

    —Orange County, CA tree-matter client

  • “I had to find and receive counsel from a trademark attorney. Derek Simpson, based in LA, was so great and helpful.”

    —Torrance, CA, trademark client quoted in a VoyageLA article:

    https://voyagela.com/interview/meet-christie-kim-bosspup-west-los-angeles/

  • “We thank you very much for your great help and support on this case…. We are so fortunate to have you to help us. Without you we cannot imagine how it would go.”

    —Santa Ana, CA tree-poisoning clients

  • “I am so fortunate to have had you as my attorney.”

    —Vista, CA tree-damage client

  • "Thank you again for all your fine work and guidance. We enjoyed working with you!"

    —Los Angeles County, CA tree-destruction client

A Simple Path to a Legal Peace of Mind

Imagine having the freedom to grow your business or enjoy your property without legal concerns hanging over you. Our clients sleep better knowing their trees and trademarks are protected by experienced legal counsel.

Here’s how to make that happen.

  • We schedule a time to talk so that we can gather information to better understand your situation.

  • Based on our consultation conversation, we provide you with clear guidance on your legal options.

  • We handle the complexities of your legal situation while you focus on what you do best.

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Take the First Step Toward
Legal Protection

Don’t let legal uncertainty put your brand or property at risk. Secure the legal protection you need today.

Schedule your consultation today and stop worrying “what if..."

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