Speculative Decoding Patents: Who Leads, Trends & Gaps 2026
Speculative decoding patents: mapping who owns draft-and-verify inference acceleration
68.0% concentration. The top 5 of 80 ranked assignees hold 100 of the 147 records in scope — a field with a narrow, well-defended core. Filings held at 2 in 2021 and climbed to 60 in 2024 — a +2900% rise over that span — before the 2025-2026 figures, still incomplete, show the expected drop-off from publication lag rather than a genuine slowdown.
- 1QUALCOMM INC76
- 2UNIFABRIX LTD10
- 3GOOGLE LLC5
- 4PITNEY BOWERS INC5
- 5PALO ALTO NETWORKS INC4
See the full speculative decoding methods analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about speculative decoding patents
How concentrated is the speculative decoding patent landscape?
Highly concentrated at the top: five assignees out of 80 ranked hold 100 of the 147 records in scope, or 68.0% of all records. The leading assignee alone holds 76 records, far ahead of the fifth-place holder at 4. This means the core draft-and-verify mechanism is claimed densely by a small group, while the remaining 75 ranked assignees each hold only a handful of records.
When did speculative decoding patent filing start accelerating?
Filing was negligible through 2017-2020 and stayed at just 2 records in 2021. It then rose sharply to a peak of 60 records in 2024, a +2900% increase over that three-year span. 2025 and 2026 figures appear lower in the raw trend, but that reflects the roughly 18-month lag between filing and publication rather than an actual slowdown.
What technology areas do speculative decoding patents fall under?
The large majority sit in IPC class G06N (AI-based computing), covering 70.1% of the 147 records, and G06F (electric digital data processing), covering 67.3%. Smaller shares touch digital transmission (H04L), speech and audio processing (G10L), and business-process or ticketing classes (G06Q, G07B), each in single-digit percentages of the total. Because records can carry multiple classes, these shares sum to more than 100%.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Speculative Decoding Methods covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.