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Waesche, Sheinbaum & O'Regan

Waesche, Sheinbaum & O'Regan was a New York-based law firm focusing on international litigation and arbitration. It was co-founded in 1979 by Donald M. Waesche, Jr., Louis P. Sheinbaum and Francis M. O'Regan, partners from the Wall Street firm of Bigham, Englar, Jones & Houston.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Waesche, Sheinbaum & O'Regan was a New York-based law firm focusing on international litigation and arbitration. It was co-founded in 1979 by Donald M. Waesche, Jr., Louis P. Sheinbaum and Francis M. O'Regan, partners from the Wall Street firm of Bigham, Englar, Jones & Houston.2

Sources

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