Licensing in semiconductors means paying to use another company's intellectual property (designs, patents, technology) in your own products. It enables companies to build chips without designing everything from scratch.

Types of Semiconductor Licenses

IP Core Licensing: License a pre-designed block (ARM processor, Synopsys USB PHY) for integration into your chip. Pay upfront license fee + per-unit royalty. Patent Licensing: Pay for the right to use patented technology. Often required by standards (e.g., Wi-Fi, 5G, H.264 patents). EDA Tool Licensing: Pay for design software (Synopsys, Cadence, Siemens tools). Annual subscriptions or perpetual licenses. Technology Licensing: License a manufacturing process from another company (e.g., Samsung licensing process technology to other fabs).

License Fee Structures

• Upfront fee: One-time payment for access to the IP ($100K to $10M+ depending on IP value) • Royalty: Per-unit payment on each chip shipped (typically 1-5% of chip price) • Subscription: Annual fee for access to IP portfolio or updates (common for EDA tools) • Flat royalty: Fixed dollar amount per chip regardless of selling price

Major IP Licensors

• ARM: Processor cores. Revenue ~$3B/year from licensing + royalties • Synopsys / Cadence: Interface IP (USB, PCIe, DDR PHYs) and EDA tools • Qualcomm: 5G/wireless patents. Collects royalties from every 5G phone sold • Dolby / MPEG LA / Via Licensing: Multimedia codec patents (pooled licensing)

Why License?

Designing a high-speed SerDes from scratch costs $20-50 million and takes 2-3 years. Licensing costs $1-5 million and is available immediately. For most companies, licensing proven IP is far more economical than internal development.