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Latest News

Ladas Makes Top 30 in TTAB Oppositions Filed

The firm is pleased to announce that has ranked Ladas & Parry within the top 30 law firms in respect to TTAB oppositions filed in 2013. Congratulations to all those involved.

@DennisPrahl on @JamesDean

The Estate of James Dean has initiated a suit against Twitter in Indiana State Court alleging that Twitter has violated the Estate's right of publicity by continuing to allow one of its users to utilize the handle @JamesDean. A recent article in the World Trademark Review discusses the merits of the case and the application of Trademark Law to issues at hand, and includes analysis by Ladas & Parry's own Dennis Prahl, a partner in the New York Office.

New NYSBA Article on Domain Names by Dennis Prahl

New York partner Dennis Prahl's article “A Brief Overview of ICANN and How it Impacts Trademark Owners” was recently published in the New York State Bar Association Inside, Winter 2013, Vol. 31.

New IPO Law Journal article by Dennis Prahl

The IPO Law Journal recently published an article entitled “New and Upcoming Domain Names Present New Risks”, co-written by our partner, Dennis Prahl. The article is available on-line.

Premier Intellectual Property Firm

Ladas & Parry LLP is pleased to announce that it has once again been distinguished by Managing Intellectual Property as a premier intellectual property firm for U.S. trademark prosecution.

Intellectual Property Law 2014

Lanning Bryer, Ralph Cathcart, Raymond DiPerna, Dennis Prahl, and John Richards from the firm’s New York Office have collectively authored a series of articles entitled “Recent IP Developments That Will Have a Significant Impact in 2014 and Beyond,” published in the book “Intellectual Property Law 2014, Top Lawyers on Trends and Key Strategies for the Upcoming Year,” by Aspatore Thought Leadership. More …

The New gTLDs are Here!

New generic Top Level Domains (gTLDs) are finally here and Ladas & Parry's registrar LadasDomains is pleased to launch a new Customer Portal at Along with an improved domain management system, LadasDomains portal now includes a free New gTLD Watchlist tool to track new domain launches. More …

London Office Moving

The firm's London Office together with its associated UK Patent Agency, Langner Parry, is moving into new quarters in the heart of London's legal district at Temple Chambers, 3-7 Temple Avenue, London EC4Y 0DA effective December 9, 2013. Telephone numbers and email addresses will remain unchanged.

Ladas & Parry IP Stars

Ladas & Parry LLP is pleased to announce that ten of the firm’s attorneys have been chosen as IP Stars and as Top 250 Women in IP by Managing Intellectual Property magazine. More …

Ladas Memorial Award Competition

The Ladas Memorial Award was established in memory of our late partner Dr. Stephen P. Ladas, distinguished practitioner and author. Funded by Ladas & Parry LLP and presented each year by the Brand Names Education Foundation, this yearly award is presented in Student and Professional categories for a paper on trademark law or a matter that directly lates to or affects trademarks. The current deadline date for submitting a paper is January 17, 2014. Learn more …

PAEs: What Needs to be Done?

Since 2005 there has been increased concern about patent enforcement by parties that have variously been referred to as patent trolls, non-practicing entities, patent aggregators and, most recently, patent assertion entities. Typically such entities have acquired patents from the original patentees and do not operate under the patents in question. More …

Welcome to Ladas & Parry: International Intellectual Property Lawyers

Ladas & Parry LLP is an international law firm with 100 years of experience protecting its clients' intellectual property in the United States and abroad. Over the last 100 years, while other firms have come and gone, we continued to serve our clients passionately and effectively. However our focus this year and every year is on the future - and we look forward to continuing to innovate, reinvent, and reinvigorate our practice to the best benefit of our clients in the same manner that carried us through our first 100 years.

Ladas & Parry LLP — the Intellectual Property Law Firm for the Next Century — has offices in Chicago, Los Angeles, New York, the Washington DC area, London and Munich to serve clients, from numerous Fortune 500 companies to small and medium-sized enterprises, around the world and across a broad spectrum of industries, to entrepreneurs, entertainers and celebrities.

Our 100th anniversary commemorative book describing our first one hundred years of service is available online. It includes interesting photographs of our offices, partners, attorneys and staff over the years, a timeline of our history and of significant changes to the laws governing the protection of Intellectual Property during our tenure and testimonials from friends and colleagues around the world.

Ladas & Parry LLP has a team of highly skilled US attorneys, foreign attorneys, patent agents, and professional representatives in our offices. Our practice is broad-ranging, from all aspects of patent, trademark, and copyright law and litigation, to advice on entertainment law, domain names, security interests in intellectual property, licensing, franchising and related aspects of commercial law and other legal areas dealing with technology.

Our comprehensive knowledge of global intellectual property law, our moderate size that facilitates personalized service and close attorney-client relationships, and our dedication to client service has kept us in the forefront of our profession for 100 years.

As part of our extensive involvement in the international intellectual property community, we are also proud to sponsor the Ladas Memorial Award, in memory of the outstanding contributions to international intellectual property law made by our late partner the distinguished practitioner and author, Dr. Stephen P. Ladas. The Award is presented each year by the Brand Names Education Foundation to the paper judged best on the subject of trademark law or a matter that directly relates to or affects trademarks.

No attorney-client relationship is created by accessing this website (or any of our related websites to which you may be referred by this website). You are free to contact us by e-mail, telephone, fax, regular mail or in person, if you so desire, but please be aware that we will first conduct a conflict check before giving consideration to accepting you as a new client. Moreover, if we do accept you as a new client, it will only be pursuant to a written retainer agreement executed by both parties. In the absence of a written retainer agreement, any information we provide to you in response to an inquiry or otherwise should not be considered legal advice and you should not rely on it as if it were.

We have well over a thousand pages of legal information at this web site. We hope that you find the information useful. However, if you have a legal issue which is important to you, these pages are no substitute for competent legal advice. Please read our disclaimer.

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