Celebrating 100 Years

Partners To Industry® Since 1923.

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Partners To Industry ®

Intellectual Property Attorneys Since 1923.

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Winners for Global Legal Innovation

Nolte Lackenbach Siegel offers a comprehensive range of Intellectual Property Legal services.

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World-Renowned IP Experts

Nolte Lackenbach Siegel offers a comprehensive range of Intellectual Property Legal services.

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Make Your Mark

We are a dedicated intellectual property law firm, offering timely, high quality, and a wide range of cost effective services to all of our clients.

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Experienced IP Specialists

​Nolte Lackenbach Siegel provides strategic legal services that are necessary in obtaining, maintaining, protecting and transferring intellectual property rights in the United States and around the world.

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New Article:
Too Legal, Didn’t Read?

Getting Quick, Clear Feedback from Inventors
on Patent Drafts

View The New Article By: Liz Nevis

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Hand reaching out to touch the word patent. Below that is a computer motherboard with illuminated gears hovering above.

Make Your Mark

The team of dynamic individuals working at Nolte Lackenbach Siegel have extraordinary technical and legal expertise acquired over many years working in both industry and private practice.

  • Experts & Specialists

    We can efficiently and effectively learn and understand our client's businesses and provide legal strategies tailored to their specific goals and budgets.

  • Great Case Portfolios

    The Firm belongs to a network of foreign agents and legal counsel that extends to numerous countries around the globe for foreign matters and disputes.

  • Experienced Lawyers and Resources

    Our clients range in size from one person, start-up companies to several of the largest corporations in the world.

  • Satisfying Success Rate

    We invite you to view our attorney profiles, and contact us if we can be of any service to your intellectual property needs.

Areas of Practice

No matter the size of the client, Nolte Lackenbach Siegel strives to provide the most value-added, cost-effective services tailored to the needs of each client and each client's matter.


We offer a full range of patent services across all major fields of technology. Through our relationships with patent law firms around the world, we can assist with all of your international patent needs.​


Among the top 10 filers nationwide, our trademark department handles: searching, filing, prosecution and maintenance – both domestically and internationally.​

IP Commercialization

Once our clients create and protect their valuable IP, we help them in all stages along their path of Commercializing that IP for Success!

Advertising & Promotions

From counseling to dispute resolution we help ensure that our clients comply with applicable laws, regulations, and guidelines as well as best practices.


​We successfully represent clients in infringement matters both in and out of court. The Litigation department's experience extends to all areas of Intellectual Property.​


From preparation and filing to enforcing registered rights, our Copyright department specializes in avoiding infringement of third parties, licensing, copyright acquisition issues, and more.​​​

Celebrating 100 Years of
Intellectual Property Excellence

As Partners to Industry® since 1923, we are a dedicated intellectual property law firm, offering timely, high quality, and a wide range of cost effective services to all of our clients.

View Our Professionals

Nolte Lackenbach Siegel has experienced attorneys, patent agents, technical consultants, and support staff to provide quality legal services to its clients. Our attorneys and patent agents have extraordinary technical and legal expertise... read more


NLS Team: Robert Golden, Managing Partner, IP Litigation

Robert Golden

Managing Partner
IP Litigation

NLS Team: Andrew Young, Managing Partner, Patents

Andrew Young

Managing Partner

NLS Team: Alex Nolte, Firm Managing Partner

Alex Nolte

Firm Managing

NLS Team: Renée Duff, Managing Partner, Trademarks

Renée Duff

Managing Partner


From Our Clients

Jewelex logo

“I am so glad that we work with your organization to apply for Trademark, Design, & utility Patent. Your team members go above and beyond to ensure that our needs are met and that we are satisfied with the results. I am so appreciative of the professionalism and dedication exhibited by your firm.”

Atul Kothari
Jewelex New York
Siemens Corporation logo

“We’ve used Nolte for years and have always been impressed with their work, timeliness, and willingness to go the extra mile for us.”

Raymond Bossotti
Vice President Corporate Strategy & Mergers and Acquisitions
Siemens Corporation
COMET Technologies USA logo

"The Nolte team does a great job with our intellectual property. We feel like their rates are very reasonable, the attorneys are sharp, and they are always very responsive.”

Paul Smith
General Manager
COMET Technologies USA


News, articles, and interviews about patents, trademarks, copyrights, and the internet. Read articles written by our attorneys, see an attorney profiles, or review some of the patents and trademarks we have obtained for our clients.

Go to Nolte Lackenbach Siegel, News Section - open new tab

Negotiating by Email

Watch What You Say…or Don’t Say

...​​Business people need to think harder about what is said in emails and pay attention to what signatures, whether automatic or personally typed, can mean. Although not all federal and state courts agree on the legal significance of emails and email signatures, it’s best to play it safe when negotiating electronically...

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Patent documents with title of article on a blue background

What Kinds of Patent or Patent Applications?

What You Need to Know About Filing Your Patent Applications

​​Upon first diving into the world of patents one may encounter a bewildering number of different kinds of patents and patent applications. The patent statute under which the patent system operates categorizes different kinds of patents...

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CBD dropper and gel capsules.

How Do I Trademark My CBD Product?

What does this mean for a brand owner who’s products include CBD?

Can I register a trademark to protect my brand? At this point, it is likely that we have all encountered a product containing cannabidiol, more commonly referred to as CBD. The 2018 Farm Bill legalized the regulated production...

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+1 866.201.2030

Monday - Friday, 8am to 5pm

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