Roche Legal: Business Abroad With Confidence

Our Approach And Ethos

The excellence of both U.S. and French culture, united in one law firm and ready to help you achieve your life goals and corporate objectives. Relying on our extensive knowledge of both American and French corporate and tax law, we develop cases for customers that deliver results.
"More than a profession, being an attorney is an avocation that signifies dedication to the community."
– Alexandre Leturgez-Coïaniz

Practice Areas

Tax Law

Tax Litigation

ROCHE LEGAL, PLLC will assist and defend clients facing tax controversies against the IRS, State, and city departments of taxation. Tax law is a federal field of law, meaning that Alexandre Leturgez-Coïaniz is able to use his New York license to represent clients located all over the United States.
Alexandre Leturgez-Coïaniz is admitted to practice before the United States Tax Court.
Cases will be brought to the Tax Court on behalf of his clients.

Tax Preparation

ROCHE LEGAL, PLLC provides tax filing services to its clients. This service is personalized on such sensible and private topic. ROCHE LEGAL, PLLC's clients will benefit from the confidentiality and professionalism of the firm.
  • Preparation and filing of tax returns
  • Individuals 1040 and 1040NR
  • Corporations and Partnerships 1120, 1065
  • State tax filings
  • Trusts and Estates 1041
  • We also handle specific filings, such as gift tax, residency certificates, and annual reports.

Tax Planning

For Individuals:
  • Prepare your expatriation to the US
  • Review and optimization of your assets for tax purposes
For Businesses:
  • Tax strategy and compliance during the implementation of your activities in a new state/city
  • Advise on sales tax, pricing transfer

Additional Tax Services

  • Sales tax
  • Commercial rent tax
  • Corporate compliance, including certificates to do business in specific states and registration
  • Tax audit on transfer pricing, sales tax, and income tax
  • Exit Tax

Corporate Law

Corporate Planning

ROCHE LEGAL, PLLC assists its clients in complex tax matters, including mergers and acquisitions (M&A), business restructurings and reorganizations, permanent establishment (PE) planning, transfer pricing, consolidated return preparation, and many other areas.

ROCHE LEGAL, PLLC acts as a trusted advisor, and provide services in close coordination with other professional advisors, including French tax advisory, French tax lawyers, local financial planners, and local investment advisors.

Cross-Border Operations

ROCHE LEGAL, PLLC assists French, European, and U.S. clients in creating and growing their business on both continents. ROCHE LEGAL, PLLC helps its clients implement local laws and regulations to set up its clients for success. ROCHE LEGAL, PLLC is the privileged legal counsel of its corporate clients for all their legal needs during their operations, including representing corporate officers when the need for personal legal advice or action arises.
  • Corporate compliance and legal risk management
  • Filings and preparation of bylaws and commercial contracts
  • Leading international operations to fill legal gaps between different legal systems

Intellectual Property

Intellectual Property

ROCHE LEGAL, PLLC assists its clients protecting their assets and intellectual property rights.
We are offering a full range of services from litigation to enforcement, protecting you against copyrights and trademark infringement.
Roche Legal, also assists you in negotiating, drafting and reviewing commercial contracts.
  • Copyright registration
  • Trademark registration
  • Litigation


Alexandre Leturgez-Coïaniz, Esq.

ROCHE LEGAL, PLLC, Founding Partner
  • Education
  • Fordham University School of Law, 2016 — Masters in Law in Banking, Corporate, and Finance
  • Université Paris-Est Créteil, 2012 — Master's Degree in European Law
  • Sorbonne Law School, 2011 — Master's Degree in Tax Law
  • French Background
  • Commercial, Land, Corporate Tax, Finance, and Energy Law
  • Bar Admissions
  • New York Bar
  • French Bar Admission - Dec 2018
  • Languages
  • Fluent in French and English
  • Organizations
  • French American Bar Association, Member
  • New York City Bar Association, Member
  • New York State Bar Association, Member
  • American Bar Association, Member
  • Paris American Club, Member
 Connect on Linkedin    |

Our Professional Network

Daniel B. Koburger, Esq.

KBL, Law Firm, Founder
Firm and Personal Bio
KBL, a law firm located in New York and Munich, is dedicated to individuals, local and transatlantic international businesses in the digital, tech, and entertainment industries both in the US and the EU. Services are custom tailored to the industry and a business' size and purpose. KBL's legal services cover: immigration to the USA, incorporation, investment rounds, transactional work and contract negotiation, compliance with consumer protection regulation and intellectual property enforcement and long term strategizing. Daniel Koburger, the founder of KBL, is a transatlantic lawyer with experience in the video game, tech, digital and Start-Up spaces and counsels his clients with legal services in New York, the US, Munich, Germany and the EU.
Roche Legal, proudly partners with KBL on various matters to offer strong and personalized legal services in the U.S. and abroad.

Firm & News

Firm & News

2021 Tax Day – Update

The IRS decided to extend the 2021 tax deadline for the 2020 individual tax returns from April 15, 2021 to May 17, 2021. Penalties and

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Firm & News

Information Returns: 1099s; W-2s etc.

Information returns are due to the IRS at the beginning of each fiscal year. Whether you've made payments to

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ROCHE LEGAL, PLLC is always interested in discovering new legal talent. If you think your experience and career goals would make you a great match for our team, and you’re interested in a fast-paced, values-oriented work environment, feel free to send us your résumé.


International Network

Member of our International Network

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