Klein, Allen J.

Allen J. Klein

Retired Partner

Allen J. Klein retired from the partnership on May 2013. Mr. Klein represented clients in the structuring, negotiation and documentation of on-shore and off-shore information technology and business process outsourcing transactions. Mr. Klein, who assisted clients in the automotive, banking, beverage, chemical, healthcare, insurance, internet, pharmaceutical, manufacturing, media, paper products and retail industries in the United States, Europe and Africa, and represented governmental entities, also handled complex systems integration transactions, go-to-market arrangements, marketing and distribution arrangements and other similar transactions. 

Mr. Klein was involved in numerous ground breaking transactions including the outsourcing by a global chemical company of the logistics functions supporting a multi-billion dollar chemical plant, the off-shore outsourcing by a pharmaceutical company of data management in support of its clinical trial program, the outsourcing by a national Revenue Service of the processing of electronically filed returns, and the implementation of large enterprise VoIP networks.

During Mr. Klein's tenure, Chambers USA consistently rated Latham’s Outsourcing Practice as one of the top outsourcing practices in the United States. Mr. Klein figured prominently in the practice summaries Chambers USA provides as part of its ratings, as the directory noted that he was, “talented and hard-working.” Chambers Global also repeatedly ranks Latham's Technology and Communications Practice as one of the leading practices of its kind in the world and Mr. Klein figured prominently in this summary of that practice, as well. In addition, Mr. Klein was continually recognized by Chambers USA as one of the top BPO lawyers in the United States and one of the top Technology and IT Outsourcing lawyers in Washington, D.C. Similarly, The Legal 500 US regularly recognized Mr. Klein as a "Leading Lawyer" in the area of Technology – Outsourcing, stating he has "the right strategic focus and sound tactical execution in steering clients through these complex transactions."

Mr. Klein was a frequent speaker at outsourcing conferences, including those organized by the Conference Board, and also a frequent contributor to outsourcing publications. At the time of his retirement, Mr. Klein is a member of the America, District of Columbia and New York Bar Associations. 


  • JD, State University of New York at Buffalo School of Law, 1978
  • BA, Cornell University, 1975