Secure Multiparty Computation Patents: Leaders & Trends 2026
Filing growth compares 2021 (24 records) with 2024 (48) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 451 records in scope (CR5), not by the ranked leaders only.
What the secure multiparty computation patent record shows
Secure multiparty computation (SMPC) lets multiple parties jointly compute a function over their private inputs without revealing those inputs to one another. The patent record in scope spans 451 published records filed between 2015 and mid-2026, covering both foundational cryptographic protocols and applied uses in finance, healthcare and AI model training. Publication lags filing by roughly 18 months, so the most recent filing years in any trend undercount actual activity.
Filing activity is spread across a wide applicant base rather than owned outright by a handful of firms, though a top tier of assignees does account for a measurable share of records. Technology claims lean heavily toward transmission and data-processing infrastructure rather than narrow cryptographic primitives, which shapes where freedom-to-operate risk actually sits.
Filing trend, receiving offices and technology composition
The figures below are drawn directly from the 451 records in scope: annual filing counts, where applications were filed, and which IPC subclasses the claims fall under.
Filing trend: steady growth into a still-provisional peak
Annual filings rose from 3 in 2017 to a confirmed 48 in 2024 — a +100% increase over the 2021-2024 span — before reaching a nominal peak of 84 in 2025. Because publication trails filing by about 18 months, 2025 and 2026 figures will continue to rise as more records surface; they should not be read as a plateau or decline.
Technology composition: transmission and data processing dominate
H04L (digital information transmission) appears in 74.3% of the 451 records and G06F (electric digital data processing) in 41.9%, showing that most claims sit at the systems and networking layer. AI-adjacent class G06N reaches 16.4% of records, while dedicated ciphering class G09C accounts for only 4.7% — a sign that pure cryptographic-primitive claims are a small slice of a much larger applied-systems field.
Shares are the percentage of the 451 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Privacy-Enhancing Technologies: Secure Multiparty Computation Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about privacy-enhancing technologies: secure multiparty computation patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative and most-cited filings
Privacy-Preserving Decision Trees Using Secure Multiparty Computation and Differential Privacy
Privacy-preserving decision trees may be generated using secure multiparty computation and differential privacy. The protocol determines class partitions and frequencies from a data set, checks a stopping condition, determines a majority class, scores candidate partitions by attribute quality, and selects an attribute for further partitioning based on those scores.Filed by Oracle International Corporation, published 2025-08-07 as US20250254031A1.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20180276417A1 | Secure multiparty computation on spreadsheets | 167 |
| 2 | EP2639997A1 | Method and system for secure access of a first computer to a second computer | 88 |
| 3 | US20160261409A1 | Cryptographic apparatus | 76 |
| 4 | US20070116283A1 | Method and device for efficient multiparty multiplication | 76 |
| 5 | US20190372760A1 | Method and System for Fault Tolerant and Secure Multiparty Computation with SPDZ | 74 |
| 6 | US20210091952A1 | Secure computing hardware apparatus and methods of manufacturing a secure computing hardware apparatus | 73 |
| 7 | US20190356491A1 | System and Method for Securing Personal Information Via Biometric Public Key | 73 |
| 8 | US20200186350A1 | Secure computing hardware apparatus | 64 |
| 9 | US20180096166A1 | System and Method for Secure Query Processing for Private Data Networks | 58 |
| 10 | US20160335440A1 | Transferable Multiparty Computation | 56 |
Citation counts reflect influence within this searched corpus and skew toward older filings; treat them as a signal of prior visibility, not current commercial weight.
Each row carries its publication number; clicking a row searches Eureka by that number.
Put your own technology through the same analysis
Eureka on the web
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →MCP server & REST API
When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →Reading the concentration, the growth curve and the claim map
Three figures from the dataset matter most for a freedom-to-operate or filing-strategy call: how concentrated ownership is, how fast the field is actually growing, and where claims cluster technically.
Ownership is top-heavy but not closed
The leading assignee holds 26 records; the top 5 combined reach 93 records, or 20.6% of all 451 in scope. That leaves nearly four-fifths of filings distributed across a long tail of single- and few-filing entrants, which is where new entrants typically find room to establish position.
Filings doubled over three complete years
Annual filings went from 24 in 2021 to 48 in 2024, a confirmed doubling. The nominal 2025 peak of 84 filings should be read cautiously since publication lag means 2025-2026 counts are still filling in.
Systems claims dwarf primitive-cryptography claims
H04L (digital transmission) touches 74.3% of records while G09C (ciphering and secret communication) touches only 4.7%. Most competitive pressure sits in how SMPC is wired into transmission and data-processing systems, not in the underlying cryptographic primitives themselves.
Filing is US-led with a strong India and PCT presence
United States receiving-office filings lead at 162, with India close behind at 102 and EPO and WIPO/PCT filings at 56 and 42 respectively. That spread suggests applicants are pursuing both US commercial protection and broad international coverage via PCT rather than concentrating in a single jurisdiction.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to privacy-enhancing technologies: secure multiparty computation patent landscape, with the prior art for and against each one.
Using this landscape for filing and freedom-to-operate decisions
The dataset points to specific next steps depending on whether the goal is clearing a filing, tracking a competitor, or finding open claim space.
Check freedom-to-operate against the densest classes
H04L and G06F carry the bulk of claim density, so any new SMPC filing tied to transmission or data-processing architecture should be checked against those classes first rather than against ciphering-specific prior art alone.
Run a claim-level search in EurekaTrack the long tail, not just the leader
With 79.4% of records held outside the top 5 assignees, competitive monitoring needs to cover the long tail of single-filing entrants, not just the largest holder.
Set up assignee tracking in EurekaRevisit growth once 2025-2026 data settles
The confirmed 2021-2024 doubling is the reliable growth signal; treat the nominal 2025 peak as provisional until publication catches up.
Monitor filing trends in EurekaCommon questions about secure multiparty computation patents
There are 451 published records in scope covering 2015 through mid-2026. Filings rose from 3 in 2017 to a confirmed 48 in 2024, doubling over the 2021-2024 span, with a nominal peak of 84 in 2025. Because publication lags filing by roughly 18 months, the true 2025-2026 totals will keep rising as more records surface.
The leading assignee in the ranked list holds 26 records, with the top 5 assignees combined accounting for 93 records, or 20.6% of all 451 records in scope. The top 10 combined reach 145 records, 32.2% of the total. That leaves a large majority of filings spread across a long tail of smaller and single-filing applicants, so no single company controls the field outright.
The largest concentration sits in H04L, digital information transmission, covering 74.3% of the 451 records, followed by G06F, electric digital data processing, at 41.9%. AI-related class G06N appears in 16.4% of records and business-process class G06Q in 12.6%, while dedicated ciphering class G09C accounts for just 4.7%. Because a single record can carry multiple IPC classes, these shares add up to more than 100% and should not be read as mutually exclusive segments.
Dedicated ciphering and secret-communication claims under G09C sit at only 4.7% of the 451 records, and video/pictorial communication class H04N is at 2.0%, both notably thinner than the transmission and data-processing classes. That does not guarantee an easy grant, but it indicates less occupied claim territory relative to H04L and G06F, where the bulk of filings compete for similar systems-level claim scope.
Yes, based on the last fully complete filing years: activity went from 24 filings in 2021 to 48 in 2024, a confirmed doubling. A nominal count of 84 filings appears for 2025, but since publication typically lags actual filing by about 18 months, 2025 and 2026 figures are still incomplete and should not yet be read as the field's ceiling or as a slowdown.
Research Privacy-Enhancing Technologies: Secure Multiparty Computation Patent Landscape in depth with Eureka
Go past this page: query the whole privacy-enhancing technologies: secure multiparty computation patent landscape corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.