From a torrent to a trickle. International law firms poured into Ireland post-Brexit with different ambitions and agendas. For the biggest players like DLA Piper and Dentons, Dublin was another step in a growing global footprint targeting multinational clients. Others like Hogan Lovells and Bird & Bird saw room for more niche plays putting down markers in the regulatory and technology spaces respectively. Offices opened, mergers happened. Talent was raided, often in the top tier of domestic firms. For lawyers with an entrepreneurial spirit looking for a change, it was an enticing opportunity to partake in a well-financed start-up. An…