Full coverage: Intellectual property

Vertiv, the US electrical technology group, acquired E&I Engineering for $1.8 billion in 2021. More than half of this value was for intangible assets, which the group can now amortise against taxable profits.

The Irish subsidiary of Novartis, the global pharma giant, has initiated legal proceedings against Accord Healthcare, the generic drugmaker.

The global pharma company targeting rare diseases was acquired for $39 billion by AstraZeneca last year. Half of this value consisted in intellectual property located in Dublin, new documents show.

Waterwipes is the number one baby wipe sold on Amazon in the US and Europe, but the Louth-based company behind the brand has found itself in a bit of a mess as decisions go against it in Europe and Britain.

Like so many technology multinationals, Airbnb ran intellectual property through US and Irish loopholes to minimise its tax bills over the past decade. After failing to convince the IRS its figures were right, the firm is prepared to go to court.

A New York-listed pharmaceutical multinational is seeking approval from US courts to emerge from a crushing pile of debt and litigation. The next steps will play out in the High Court in Dublin, where the firm is formally registered and owns billions of dollars' worth of intellectual property.

The US social network has written off most of the value it had booked for the intellectual property placed in its expanding Irish operation. What does the move mean for other multinationals using the popular green jersey tax structure?

Imlygic is a cutting-edge drug in the fight against skin cancer. Before it was developed, the renowned Georgetown University had patented one of the genetic modifications in its active ingredient. A dispute over potential intellectual property overlap has escalated in Ireland.

When singer Mariah Carey launched her own cream liqueur, she chose the name Black Irish to reflect her ancestry. The brand is now live in the US but, although made in Ireland, it can't be sold in the EU yet as a group of Irish drinks veterans own the trademark for their own Black Irish drink.

Ten years ago, Dublin student Ronan McGovern left for MIT on a Fulbright scholarship. He has just returned to Ireland after selling his start-up to a leading engineering multinational.