WASHINGTON, Jan. 17 -- Law firms assisted companies in the following recently announced transactions: * * * Gibson, Dunn & Crutcher... ...advised PayPal on its expansion in New York City at the 345 Hudson and 555 Greenwich office complex in Hudson Square, and the firm continued advising PayPal through the construction phase as the company expanded its physical presence in the city. The Gibson Dunn real estate team included partner Andrew Lance and associate Ben Imdieke. For more information,  more ST