WASHINGTON, March 19 -- Law firms assisted companies in the following recently announced transactions - March 19, 2026: * * * Arnold & Porter advised ESTEVE on its acquisition of TerSera Therapeutics' Infusion Specialty Therapies business unit to expand its global pharmaceutical portfolio and consolidate rights to key specialty medications. The transaction included worldwide rights to Quzyttir and full consolidation of Prialt rights, strengthening ESTEVE's position in specialty therapeutics. T more ST