R. Mark Halligan

In today's innovation-driven economy, protecting intellectual property (IP) and trade secrets is paramount for individuals, startups, and multinational corporations alike. For those in Illinois, particularly within the dynamic Naperville area and extending across the nation and even internationally, securing cutting-edge legal counsel in this highly specialized field is not just an advantage—it's a necessity. R. Mark Halligan stands as a preeminent figure in intellectual property law, offering a depth of experience and a breadth of influence that few attorneys can match.

R. Mark Halligan is not just a lawyer; he is a recognized thought leader and a trial lawyer with a national and international practice in intellectual property and trade secrets. With over 40 years of experience, he has been at the forefront of shaping IP law, including being instrumental in developing and advocating for legislation such as the Defend Trade Secrets Act. His remarkable career includes extensive litigation experience in federal and state courts across the United States, representing a diverse range of clients from individual inventors to Fortune 500 companies. He is celebrated for his expertise in patents, copyrights, trademarks, and particularly trade secrets, where he is widely regarded as a leading expert.

As local users, having access to an attorney of R. Mark Halligan's caliber right here in Naperville is an extraordinary asset. This article will provide a detailed look into what makes R. Mark Halligan a distinguished choice for intellectual property legal services in Illinois. We will explore his convenient Naperville location, the comprehensive services he offers, and the remarkable features and accolades that underscore his profound impact and suitability for anyone seeking to protect their valuable intellectual assets.

Location and Accessibility

R. Mark Halligan's office is conveniently located at 34 W Chicago Ave Suite B, Naperville, IL 60540, USA. This easily accessible address places him centrally within the vibrant downtown area of Naperville, making his expertise readily available to clients throughout DuPage and Will Counties, as well as the broader Chicago metropolitan area in Illinois. Situated on West Chicago Avenue, his office is part of a well-known and easily navigable commercial district, ensuring a straightforward journey for both new and returning clients.

The strategic placement of R. Mark Halligan's office in Naperville offers significant advantages for local clients. It means that individuals, startups, and established businesses seeking highly specialized legal assistance in intellectual property and trade secrets do not necessarily need to travel to the more distant urban core of Chicago for top-tier representation. This localized presence facilitates more convenient in-person meetings and direct communication, which can be crucial when dealing with complex and sensitive intellectual property matters. While his practice is national and international, his physical presence in Naperville provides a tangible benefit for the local business community.

For those utilizing personal transportation, the West Chicago Avenue address provides clear directions, and being in downtown Naperville, there are generally accessible parking options nearby, whether on the street or in public lots. This ease of access ensures that clients can focus on their significant legal concerns without added logistical burdens. R. Mark Halligan's presence in Naperville underscores his commitment to serving not only a global clientele but also the immediate legal needs of the Illinois business and innovation landscape.

Services Offered

R. Mark Halligan specializes in intellectual property law, with a particular emphasis on trade secrets and complex litigation. His comprehensive services cover the full spectrum of protecting and enforcing intellectual assets.

• Intellectual Property Litigation: He focuses his practice on intellectual property litigation in the United States and abroad. This includes representing clients in disputes involving patents, copyrights, trademarks, and trade secrets in federal and state courts.
• Trade Secret Law and Litigation: Recognized worldwide as a leading practitioner in trade secrets, he counsels clients on how to protect trade secrets globally. This includes litigation for trade secret misappropriation, developing trade secret asset management strategies, and addressing issues related to competitive intelligence and anti-counterfeiting.
• Patent Law: His practice encompasses patent litigation, representing both plaintiffs and defendants in disputes over patent infringement and validity. He advises on the protection of innovative ideas through patenting strategies.
• Copyright Law: R. Mark Halligan provides legal services related to copyright protection, including litigation involving copyright infringement, advising on intellectual property rights in the arts, and ensuring the originality of expression is safeguarded.
• Trademark Law: He handles matters concerning trademark protection and infringement, helping businesses protect their brand identity and source identifiers.
• Commercial Litigation: Beyond core IP, his expertise extends to complex commercial litigation, including antitrust and licensing issues, which often intertwine with intellectual property disputes.
• IP Asset Management: He is recognized for his work in developing automated trade secret asset management blockchain systems and has co-authored a guide on information asset management, indicating a proactive approach to IP protection.
• Legislative and Advisory Roles: His involvement in drafting and advocating for trade secret legislation (like the Defend Trade Secrets Act) provides clients with insights into the evolving legal landscape and robust strategies for compliance and enforcement.

Features / Highlights

• Decades of Experience: R. Mark Halligan has been a practicing lawyer for over 40 years, bringing a wealth of experience and seasoned judgment to every case.
• Global Recognition as a Trade Secret Expert: He is recognized worldwide as a leading practitioner in trade secrets, inducted into the Legal 500 Hall of Fame for trade secret litigation, and frequently authors articles for Reuters on the subject. He was also selected by Best Lawyers as the 2021 Lawyer of the Year in Trade Secrets Law in Chicago.
• Accomplished Trial Lawyer: He is a "First Chair trial lawyer" and litigator who has successfully represented clients in federal and state courts throughout the United States and abroad, indicating his strength in high-stakes courtroom settings.
• Legislative Influence and Thought Leadership: R. Mark Halligan has been instrumental in drafting and enacting trade secret legislation in Illinois and nationally, including being a lead author of the Defend Trade Secrets Act Handbook. He is also a frequent speaker globally on IP protection.
• Academic Standing: For approximately 30 years, he has taught Advanced Trade Secrets Law at the University of Illinois Chicago School of Law (formerly John Marshall Law School), demonstrating his deep theoretical knowledge and commitment to educating the next generation of legal professionals.
• Extensive Publications: He is the lead author of significant legal handbooks and numerous scholarly articles on intellectual property and trade secrets, solidifying his authority and comprehensive understanding of the field.
• Prestigious Accolades: R. Mark Halligan has received numerous recognitions, including being selected as an "IP Star" by Managing Intellectual Property, a Chambers USA ranked lawyer for Intellectual Property, Trademarks, Copyrights, and Trade Secrets, and repeatedly selected to Super Lawyers (2005-2020, 2022-2025).
• Diverse Client Representation: His clientele ranges from individual inventors and small enterprises to major multinational corporations, showcasing his ability to tailor strategies to various organizational needs.

Promotions or Special Offers

Publicly available information for R. Mark Halligan does not explicitly detail specific promotions or special offers such as discounted rates or package deals. However, for legal professionals specializing in complex and high-stakes areas like intellectual property and trade secrets, the initial consultation is a customary practice. While the specific terms of these consultations are not published, they generally serve as an opportunity for prospective clients to discuss their legal needs, receive an initial assessment of their situation, and understand how the attorney's expertise can be applied to their specific case.

Given R. Mark Halligan's stature and the comprehensive nature of his practice, a consultation would be an invaluable opportunity for individuals or businesses in Illinois and beyond to gain insight into protecting their intellectual assets. It provides a chance to directly engage with his extensive experience and determine the best legal strategy for their unique intellectual property concerns. To inquire about his consultation policy, including any associated fees or initial discussion terms, it is highly recommended to contact R. Mark Halligan directly using the provided contact information.

Contact Information

If you are located in Illinois or elsewhere and require premier legal assistance in intellectual property and trade secret law, R. Mark Halligan is ready to provide expert guidance.

• Address: 34 W Chicago Ave Suite B, Naperville, IL 60540, USA
• Phone: (630) 200-0701
• Mobile Phone: +1 630-200-0701

It is advisable to call ahead to schedule an appointment to ensure that R. Mark Halligan is available to discuss your specific legal needs.

Conclusion: Why this place is suitable for locals

For individuals, innovators, and businesses across Illinois, particularly within the burgeoning tech and commercial landscape of Naperville and the broader Chicago metropolitan area, R. Mark Halligan represents an exceptionally suitable and indeed, a preeminent choice for intellectual property and trade secret legal counsel. His suitability stems from a rare combination of profound expertise, extensive experience, and significant influence within the field of IP law.

Having over 40 years of experience as a trial lawyer focusing on intellectual property and trade secrets, R. Mark Halligan brings an unparalleled depth of knowledge to every client interaction. For local inventors looking to protect a new idea, a startup safeguarding its proprietary software, or an established company defending its trade secrets against misappropriation, his expertise in areas like patent, copyright, trademark, and especially trade secret law is invaluable. His recognition worldwide as a leading practitioner in trade secrets and his instrumental role in shaping federal legislation like the Defend Trade Secrets Act mean that clients are receiving guidance from someone who is not just applying the law, but has helped to write and interpret it.

Furthermore, his presence in downtown Naperville, while serving a national and international clientele, provides a tangible advantage for local businesses and individuals. It offers convenient access for in-person consultations, fostering a more direct and personal relationship with an attorney who is highly respected within the legal community and beyond. For any entity in Illinois that relies on its intellectual capital, from creative works to proprietary business information, choosing R. Mark Halligan means engaging with a legal professional who is an "IP Star," a proven trial lawyer, and a thought leader deeply committed to the effective protection of intellectual property rights. His extensive publications, academic appointments, and numerous accolades solidify his position as an outstanding and highly suitable legal partner for securing and defending valuable intellectual assets in the competitive Illinois and global marketplace.