Joe Papa, chief executive  and president of Perrigo. Photograph: Brenda Fitzsimons / THE IRISH TIMES

Irish over-the-counter drug company Perrigo has filed a lawsuit against suitor Mylan in a Manhattan court. The legal action comes as Perrigo urged its(...)

Mylan first announced it wanted to buy Dublin-listed Perrigo in April. (Photograph: Travis Dove/The New York Times)

Dublin based pharma group Perrigo has rejected Mylan’s unsolicited $27 billion tender offer, saying it substantially undervalued the company and did (...)

Robert Coury, executive chairman of Mylan pharmaceutical company with Taoiseach Enda Kenny at  a Galway and Dublin jobs announcement in 2012. Photograph: Alan Betson / The Irish Times

Shareholders in over-the-counter drug specialists Perrigo receive their latest quarterly dividend today. It comes as they mull the formal offer for th(...)

Mylan will take its offer to Irish-based Perrigo shareholders in the coming weeks. Photograph: Travis Dove/The New York Times

Mylan’s shareholders voted in favour of moving forward with a $33 billion (€29.5 billion) hostile bid for over-the-counter pharma group Perrigo, putti(...)

Joe Papa, chief executive  and president of Perrigo, which is fighitng off the unwatned advances of rival Mylan. Photograph: Brenda Fitzsimons / THE IRISH TIMES

Mylan appeared to hit a significant hurdle in its quest to buy a fellow drug maker, Perrigo, when an influential advisory firm recommended Friday morn(...)

Privately, some shareholders have been scathing about the tactics Mylan used to defend itself from a hostile takeover  by Teva. Photograph: Getty Images

Mylan, the generic drugs group, has launched a staunch defence of the tactics it used to repel a $40 billion hostile takeover attempt by Teva, amid po(...)

IAG’s takeover of Aer Lingus was one of the biggest M&A deals recorded in the first six months of 2015

M&A activity in Ireland fell in the first half of 2015, according to a new review. A total of 45 mergers and acquisitions worth €35.1 billion took(...)

Teva Pharmaceutical has built a 4.6 per cent share of Mylan over the past months. Photographer: Akos Stiller/Bloomberg

Teva Pharmaceutical, the Israeli drugmaker, is nearing a deal to acquire Allergan’s generics drug unit for between $40 billion and $45 billion, accord(...)

Perrigo chief executive and chairman Joe Papa.  Photograph: Brenda Fitzsimons / The Irish Times

Perrigo, the Irish specialist in over the counter drugs, has agreed to buy a portfolio of products from GlaxoSmithKline. GSK’s consumer healthcare div(...)

Robert J. Coury, vice chairman and chief executive officer of Mylan told investors he may sweeten the company’s cash-and-stock offer for  Perrigo, which has rejected Mylan’s most recent offer of $75 in cash and 2.3 Mylan shares for each Perrigo share. (Photograph: Mannie Garcia/Bloomberg News)

Mylan’s chairman told investors he may sweeten the company’s cash-and-stock offer for Irish headquartered Perrigo by adding terms to reduce the risk (...)