FinFET Device Patent Landscape 2026
FinFET Device Patent Landscape in 2026
The FinFET device patent space is highly concentrated, with Taiwan Semiconductor Manufacturing Co. holding a commanding lead and the top five filers collectively dominating the hundred largest applicants. Annual filing volume peaked in 2018 and has eased steadily since, placing the field in a decline phase that reflects both technology maturation and a transition toward next-generation gate-all-around architectures.
TSMC leads a tightly consolidated field with a wide margin over all challengers
Taiwan Semiconductor Manufacturing Co. (TSMC) ranks first by a substantial margin, followed by International Business Machines Corporation, Samsung Electronics, GlobalFoundries, and SMIC Shanghai — a small group of foundry and integrated device manufacturers that together account for 67% of the combined patent records held by the hundred largest filers.
The tier gap between TSMC and the next-ranked applicant, IBM, is large, and the gap between IBM and the remainder of the top ten is also pronounced, indicating a two-level hierarchy: one dominant incumbent, a secondary cluster of established players, and a long tail of specialized or regional participants.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Taiwan Semiconductor Manufacturing Co., Ltd. | 15,154 | |
| 2 | International Business Machines Corporation | 3,263 | |
| 3 | Samsung Electronics Co., Ltd. | 2,173 | |
| 4 | GlobalFoundries US Inc. | 1,671 | |
| 5 | Semiconductor Manufacturing International (Shanghai) Corporation | 1,475 | |
| 6 | United Microelectronics Corporation | 1,439 | |
| 7 | Semiconductor Manufacturing International (Beijing) Corporation | 1,081 | |
| 8 | Intel Corporation | 934 | |
| 9 | Applied Materials, Inc. | 740 | |
| 10 | Qualcomm Incorporated | 718 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | GlobalFoundries Inc. | 633 | |
| 12 | Elpis Technologies Inc. | 374 | |
| 13 | Institute of Microelectronics, Chinese Academy of Sciences | 358 | |
| 14 | imec vzw | 325 | |
| 15 | Adeia Semiconductor Solutions LLC | 295 | |
| 16 | Huawei Technologies Co., Ltd. | 254 | |
| 17 | Tokyo Electron Limited | 243 | |
| 18 | Infineon Technologies AG | 197 | |
| 19 | Micron Technology, Inc. | 195 | |
| 20 | Alsephina Innovations Inc. | 192 |
TSMC’s position implies that foundry process innovation — gate patterning, contact formation, and integration schemes — is the primary axis of IP competition, while challengers differentiate through device architecture, memory integration, and design-for-manufacture approaches.
The most recent 18–24 months of filings are subject to publication lag and will be revised upward as applications publish; figures for 2024 onward should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume has eased from its 2018 peak; semiconductor device classes dominate the technology mix
The annual trend chart and IPC composition chart together show a field that matured rapidly through the mid-2010s and is now consolidating, with activity increasingly concentrated in a narrow set of semiconductor process classes.
Annual filing trend
Annual filings reached their highest recorded level in 2018 and have trended downward in each subsequent year. The 2024 and 2025 bars are substantially below earlier years but reflect publication lag; the true recent-year totals will rise as pending applications publish. The overall multi-year window still contains substantial volume, confirming that FinFET IP remains active even as the peak recedes.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) dominates the IPC mix by a wide margin, reflecting the core device-physics and process-integration focus of the corpus. H10D (Semiconductor devices, general), H10B (Memory device manufacture), and H10N (Other electric solid-state devices) are secondary classes, indicating meaningful — but comparatively smaller — activity in memory integration and adjacent solid-state applications. Classes such as B82Y (Nanotechnology), G03F (Photolithography), and C23C (Coating and surface deposition) appear at low share, signalling that enabling-process and nanomaterial dimensions of FinFET technology are under-served relative to the dominant device class.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Fin field effect transistor (finfet) device struct…
A fin field effect transistor (FinFET) device structure with dummy fin structures and method for forming the same are provided. The FinFET device structure includes an isolation structure over a substrate, and a first fin structure extended above the isolation structure. The fin field effect transistor (FinFET) device structure includes a second fin… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Method of cutting metal gate | 3,247 |
| 2 | Cut-mask patterning process for fin-like field eff… | 3,166 |
| 3 | Contact structure of semiconductor device | 1,622 |
| 4 | Semiconductor devices and methods of manufacture t… | 1,575 |
| 5 | Finfet transistor structures having a double gate … | 1,388 |
| 6 | FINFETs with wrap-around silicide and method formi… | 1,368 |
| 7 | Contact structure of semiconductor device | 1,331 |
| 8 | FinFET devices with unique fin shape and the fabri… | 1,324 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the IP structure means for semiconductor R&D investment decisions
Four structural observations — maturity stage, competitive concentration, collaboration patterns, and geographic focus — each carry distinct implications for teams evaluating where to file, partner, or innovate next.
Decline phase: peak passed in 2018, annual volume easing
The lifecycle evidence classifies FinFET device IP as in decline, with annual filings easing back from the 2018 peak and a recent-window growth rate of –32%. This pattern is consistent with technology maturation: core FinFET process nodes are well-covered, and leading foundries are reallocating R&D toward gate-all-around and nanosheet successors. New entrants face a dense prior-art landscape in the mainstream device classes.
Lifecycle · Decline67% share held by five filers among the top hundred — extreme consolidation
The top five filers among the hundred largest applicants — TSMC, IBM, Samsung Electronics, GlobalFoundries, and SMIC Shanghai — collectively hold 67% of that group’s patent records. This level of consolidation means that freedom-to-operate analysis must prioritize TSMC’s portfolio above all others. Smaller applicants competing on device architecture or specialized process steps may find narrow but defensible filing corridors in adjacent IPC classes.
Concentration · Very HighSMIC entities and the IBM–GlobalFoundries axis are the most active co-filers
The most frequent co-filing pair is SMIC Shanghai and SMIC Beijing, with 586 joint records, reflecting intra-group technology sharing within the SMIC group. The IBM–GlobalFoundries pair follows with 231 joint records, a legacy of their shared research alliance. IBM has also co-filed with STMicroelectronics (83 records) and GlobalFoundries co-filed with STMicroelectronics (50 records), suggesting a European-linked consortium track. TSMC co-filed with National Taiwan University (65 records) and National Chiao Tung University (27 records), indicating an academia-anchored innovation channel.
Collaboration · Alliance-drivenUnited States overwhelmingly dominates filings; EPO and PCT coverage is limited
The United States is the lead filing jurisdiction by a wide margin. Europe (EPO) and WIPO (PCT) account for a comparatively small share of patent records, and filings in Singapore, the United Kingdom, Australia, Taiwan, and other jurisdictions are sparse. This US-centric profile reflects both the location of key foundry customers and the litigation environment, but it also suggests that patent protection in Asian manufacturing jurisdictions — outside US filings by Taiwanese and Korean entities — may be thinner than the aggregate numbers imply.
Geography · US-centricGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Semiconductor Manufacturing International (Shanghai) Corporation | Semiconductor Manufacturing International (Beijing) Corporation | 586 |
| International Business Machines Corporation | GlobalFoundries Inc. | 231 |
| International Business Machines Corporation | STMicroelectronics, Inc. | 83 |
| Taiwan Semiconductor Manufacturing Co., Ltd. | National Taiwan University | 65 |
| GlobalFoundries Inc. | STMicroelectronics, Inc. | 50 |
| Semiconductor Manufacturing International (Shanghai) Corporation | SMIC New Technology Research & Development (Shanghai) Corporation | 35 |
| Taiwan Semiconductor Manufacturing Co., Ltd. | National Chiao Tung University | 27 |
| International Business Machines Corporation | IBM United Kingdom Limited | 19 |
| International Business Machines Corporation | IBM China Co., Ltd. | 18 |
| International Business Machines Corporation | Renesas Electronics Corporation | 12 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
TSMC dominates by volume; Intel shows the only meaningful upward momentum among top filers
The ranking is led by foundry and integrated device manufacturers whose focus is concentrated in core semiconductor device process classes (H01L 21, H01L 29, H01L 27). Recent momentum varies sharply across the top tier.
Taiwan Semiconductor Manufacturing Co.
TSMC ranks first with 15,154 patent records, concentrated across H01L 21 (semiconductor manufacturing processes), H01L 29 (semiconductor device structures), and H01L 27 (integrated circuit arrays). Recent filing momentum shows a –22% trend versus the prior period, consistent with the field-wide post-peak easing and the company’s concurrent ramp in next-generation process IP.
patent records: 15,154Intel Corporation
Intel ranks eighth with 934 patent records, with technology focus distributed across H01L 29, H01L 21, and H01L 27 — the same core classes as the leaders. Notably, Intel is the only top filer in the momentum data showing a positive recent trend (+32%), distinguishing it from peers whose volumes are declining. This upward trajectory, coming from a smaller base than TSMC or IBM, may reflect renewed FinFET-adjacent process filing as Intel pursues its own foundry roadmap.
patent records: 934| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Taiwan Semiconductor Manufacturing Co., Ltd. | 2,253 | ▼ -22% |
| International Business Machines Corporation | 101 | ▼ -82% |
| Samsung Electronics Co., Ltd. | 263 | ▬ -1% |
| United Microelectronics Corporation | 137 | ▼ -8% |
| Semiconductor Manufacturing International (Shanghai) Corporation | 22 | ▼ -91% |
| Semiconductor Manufacturing International (Beijing) Corporation | 20 | ▼ -92% |
| Intel Corporation | 121 | ▲ +32% |
| Qualcomm Incorporated | 55 | ▼ -26% |
Memory integration and nanotechnology applications are under-served relative to the dominant device class
Several IPC branches adjacent to the dominant H01L class show meaningful but comparatively sparse filing activity, indicating areas where FinFET-related IP has not been exhaustively developed relative to core device and process claims.
H10B · Memory device manufacture
H10B accounts for 7% of IPC records in this corpus — substantial in absolute terms (1,934 records) but small relative to the H01L anchor. FinFET-based SRAM and embedded memory integration are active engineering challenges at advanced nodes, and the relative sparsity of H10B claims suggests that memory-specific process and cell-architecture variants may offer defensible filing space for teams working on embedded non-volatile or SRAM bit-cell optimization within FinFET processes. Entry would require differentiation from the TSMC and IBM portfolios that already cover foundational cell structures.
Search this in Eureka →B82Y · Nanotechnology applications
B82Y appears at only 1% share (148 records), making it the sparsest branch with plausible technical relevance. As FinFET geometries approach sub-5 nm dimensions, nanomaterial characterization, atomic-layer processes, and quantum-confinement effects become engineering constraints rather than academic concerns. The low filing density in B82Y suggests that applicants working on nanosheet precursors, atomic-scale gate dielectrics, or quantum-dot integration within FinFET architectures may find limited direct prior art in this class, though overlap with H01L claims should be evaluated carefully before treating this as an open corridor.
Search this in Eureka →How leading applicants differ across FinFET technology routes
Strength of each leader across the main technology routes.
| Player | H01L 29 · Semiconductor devices | H01L 21 · Semiconductor devices | H01L 27 · Semiconductor devices | H01L 23 · Semiconductor devices | H10D 84 · Semiconductor devices (general) |
|---|---|---|---|---|---|
| Taiwan Semiconductor Manufacturing Co., Ltd. | Strong · 7,608 | Strong · 7,721 | Strong · 4,627 | Emerging · 1,191 | Emerging · 945 |
| International Business Machines Corporation | Strong · 3,126 | Strong · 2,951 | Strong · 2,017 | Emerging · 293 | Emerging · 340 |
| GlobalFoundries Inc. | Strong · 1,063 | Strong · 990 | Strong · 633 | Emerging · 106 | Emerging · 84 |
| Samsung Electronics Co., Ltd. | Strong · 882 | Strong · 744 | Strong · 657 | Moderate · 183 | Emerging · 55 |
| United Microelectronics Corporation | Strong · 754 | Strong · 698 | Strong · 457 | Emerging · 94 | Emerging · 35 |
| Semiconductor Manufacturing International (Shanghai) Corporation | Strong · 636 | Strong · 654 | Strong · 369 | Emerging · 96 | Absent |
| Semiconductor Manufacturing International (Beijing) Corporation | Strong · 529 | Strong · 542 | Strong · 307 | Emerging · 81 | Absent |
Frequently asked questions
The corpus covers 12,687 patent families. The leading filing jurisdiction is the United States, which accounts for the largest share of patent records in the dataset.
Taiwan Semiconductor Manufacturing Co. (TSMC) is the top filer by a wide margin, with 15,154 patent records — more than four times the count of the second-ranked applicant, IBM, which holds 3,263 patent records.
No. The lifecycle evidence classifies the field as in decline. Annual filings peaked in 2018 and have eased in each subsequent year, with a recent-window growth rate of -32%. The most recent 18–24 months are subject to publication lag, so provisional counts for 2024 and beyond will rise as applications publish, but the underlying downward trend from the 2018 peak is established.
The most active co-filing pair is SMIC Shanghai and SMIC Beijing, with 586 joint records reflecting intra-group technology sharing. IBM and GlobalFoundries are the next most active pair with 231 joint records, followed by IBM and STMicroelectronics (83 records) and GlobalFoundries and STMicroelectronics (50 records). TSMC co-files with National Taiwan University (65 records) and National Chiao Tung University (27 records).
H01L (Semiconductor devices) dominates the corpus. H10D, H10B (Memory device manufacture), and H10N are secondary. Branches such as B82Y (Nanotechnology applications), G03F (Photolithography), and C23C (Coating and surface deposition) are comparatively sparse, representing adjacent areas with lower filing density relative to the dominant device class.
Among the top filers tracked in the momentum data, Intel Corporation is the only one showing a positive recent trend, at +32% compared to its prior three-year period. All other major applicants — including TSMC (-22%), IBM (-82%), Samsung Electronics (-1%), and SMIC entities (-91% and -92%) — show flat or declining recent filing volumes.
Map your own FinFET device patent landscape
Join 18,000+ innovators using PatSnap Eureka to map any technology landscape: search 2B+ patents and papers, surface key assignees, and generate a report like this in minutes.
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.