Posternak Blankstein & Lund LLP is now Arent Fox. Read the press release

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Big Law Capabilities. Boutique Service.
Arent Fox LLP is internationally recognized in core industries where business and the law intersect. With more than 450 lawyers and professionals, the firm provides strategic legal counsel and multidisciplinary solutions to a global roster of corporations, governments, and trade associations.

Our attorneys know that being Smart isn’t just about having great legal skills. It means knowing your business, your industry, and your goals — and using that insight to solve challenges creatively and efficiently.

That’s our legacy and our future. It’s our mission and promise to you.

At Our Core, We Are


We deliver business-oriented legal counsel that helps clients achieve their commercial goals.


We commit the necessary time, resources, and innovation to serve the best interests of our clients.


Arent Fox has roots in government service and a commitment to the administration of justice stretching back more than 75 years.

“When Arent Fox adopted the motto ‘Smart in your World’ it was not a boast. Rather, it was created to reflect guiding principles centered on providing first-rate legal work and exceptional service.
It was also a promise; a reaffirmation of the founding partners’ pledge to deliver business-oriented legal counsel that would help our clients achieve their commercial goals. On behalf of my colleagues, we would welcome a chance to talk more about your legal needs and commercial ambitions.”
Mark Katz, Chair of Arent Fox