34 patents that protect a single chip
Most quantum computing companies file patents the way universities do: broadly, speculatively, across many possible research directions. QLT does it differently. Every one of our 34+ patent filings exists to protect a single product: the ODR-enabled quantum photonic processor.
This is a deliberate strategic choice. A product-centered patent portfolio is more defensible, more licensable, and more valuable to acquirers than a scattered collection of research IP.
The four-tier moat
Tier 1 — Core Product (5 patents, ~120 claims): These protect the processor architecture itself: the ODR waveguide, the proprietary all-optical switch, the coherence engine, the low-loss circuit topology, and the cladding system. If you want to build a room-temperature quantum photonic processor using ODR, you go through these patents.
Tier 2 — Extensions (3 patents, ~60 claims): These protect the high-value applications: continuous-variable quantum computing, photonic AI acceleration, and quantum cryptanalysis configurations. These are the revenue-generating modes of the same physical chip.
Tier 3 — Gap Patents (14 filings): These block alternative implementations. Different nonlinear materials for ODR. Different switch geometries. Different coherence restoration approaches. If a competitor tries to work around the core patents, the gap filings are waiting.
Tier 4 — Supporting (12 filings): Future-proofing. Quantum memory integration, qRAM architectures, timing synchronization, source integration methods. These patents protect the next two generations of the platform.
Why this matters financially
An exhaustive patent search confirms: no existing global patents combine Optical Distortion Reversal with quantum error correction for photonic qubits. QLT owns this white space. In a $1.8 trillion semiconductor market that is beginning its transition to photonics, owning the foundational IP for room-temperature quantum photonic computing is not just a defensive moat — it's a platform license.
The patent moat doesn't protect a research program. It protects a product. That's what makes it worth something.