IBM led the US patent-grant rankings for 29 straight years. The famous number, though, is the other one: at its peak, IBM's intellectual property licensing reportedly brought in around a billion dollars a year — largely profit.
The IP move
IBM treated filing as portfolio construction: broad coverage across computing's building blocks, pruned and renewed deliberately, licensed programmatically to an industry that could not avoid touching its claims. Filing, keeping and licensing were one connected system with an owner and a P&L.
The takeaways
Patents can be a product line — with recurring revenue — not just a defence.
Renewal decisions are investment decisions: IBM prunes constantly, keeping only what earns its fees.
The engine works because someone runs it; unmanaged portfolios only cost.
The lesson for your business
You do not need IBM's scale to copy the discipline: know what you hold, decide what each right is for, drop what serves nothing, and ask which assets someone else would pay to use.