FinFET Device Scaling Patent Landscape 2026
IBM leads a highly concentrated field in which the top five filers account for more than half of the hundred largest filers’ combined output, and the United States is the dominant filing jurisdiction. Annual volume peaked in 2017 and has since declined substantially, signalling that the core FinFET scaling architecture is maturing toward a post-peak phase.
IBM leads a concentrated field with a commanding margin over all challengers
IBM (International Business Machines Corporation) holds 166 patent records, nearly double the nearest rival, Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC) at 89, establishing a clear first-tier position that no single challenger replicates.
The top five filers—IBM, TSMC, GlobalFoundries US Inc., Adeia Semiconductor Solutions LLC, and United Microelectronics Corp.—collectively account for 52% of the hundred largest filers’ combined total, confirming tight concentration. A visible tier gap separates this group from mid-table players such as Advanced Micro Devices Inc. and Intel Corp., each with roughly one-eighth of IBM’s count.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | International Business Machines Corporation | 166 | |
| 2 | Taiwan Semiconductor Manufacturing Co., Ltd. | 89 | |
| 3 | GlobalFoundries US Inc. | 68 | |
| 4 | Adeia Semiconductor Solutions LLC | 29 | |
| 5 | United Microelectronics Corporation | 27 | |
| 6 | Advanced Micro Devices, Inc. | 27 | |
| 7 | Intel Corporation | 22 | |
| 8 | GlobalFoundries Inc. | 22 | |
| 9 | Semiconductor Manufacturing International (Beijing) Corporation | 18 | |
| 10 | Semiconductor Manufacturing International (Shanghai) Corporation | 18 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Renesas Electronics Corporation | 17 | |
| 12 | Elpis Technologies Inc. | 16 | |
| 13 | Bell Semiconductor LLC | 13 | |
| 14 | Samsung Electronics Co., Ltd. | 13 | |
| 15 | Tahoe Research Ltd. | 12 | |
| 16 | Alsephina Innovations Inc. | 12 | |
| 17 | Parabellum Strategic Opportunities Fund LLC | 10 | |
| 18 | Qualcomm Inc. | 10 | |
| 19 | Applied Materials, Inc. | 10 | |
| 20 | Microsoft Technology Licensing LLC | 9 |
IBM’s lead reflects deep, historically sustained investment in FinFET process innovation and a long-running co-development model with foundry and equipment partners. TSMC’s position underscores its role as the leading volume manufacturer; GlobalFoundries’ presence reflects the original IBM-GlobalFoundries technology-transfer relationship that seeded many of the foundational filings.
Filings from the most recent 18–24 months are subject to publication lag and should be interpreted cautiously; apparent low counts for 2024–2026 do not necessarily reflect actual invention activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Peak-year filings in 2017 have not recovered; semiconductor device classes dominate the technology mix
Two charts together capture both the temporal trajectory of FinFET scaling patenting and the breadth of its technology footprint. The filing trend reveals a field past its peak; the IPC composition shows where inventive effort has been concentrated.
Annual filing trend
Filings peaked at 60 records in 2017 and have trended downward since, falling to 13 in 2021 before a partial recovery to 20 in 2022 and settling near low single-digit or low double-digit levels thereafter. The recent-window growth figure of -56% confirms the post-peak trajectory. Any apparent near-zero counts for 2025–2026 reflect publication lag rather than a cessation of activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
The dominant branch is H01L (Semiconductor devices) at 631 records, with H10D (Semiconductor devices, general) a distant second at 233. Memory-adjacent classes—H10B (Memory device manufacture) at 93 and G11C (Static and digital memories) at 12—and power/compound branches H10P (70) and H10W (47) represent meaningful but smaller shares, indicating that most inventive effort targets core logic device physics rather than memory or power applications.
↗ 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.
Gate-all-around (GAA) and fin field-effect transis…
Certain aspects of the present disclosure generally relate to a static random-access memory (SRAM) implemented using both a gate-all-around (GAA)-type transistor and a fin field-effect transistor (FinFET). For example, certain aspects are directed to an SRAM memory cell having a flip-flop (FF) having a pull-up (PU) transistor and a pull-down (PD)… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Finfet transistor structures having a double gate … | 1,388 |
| 2 | FET channel having a strained lattice structure al… | 327 |
| 3 | Fin-like field effect transistor (finfet) device a… | 324 |
| 4 | Method for forming fins in a FinFET device using s… | 287 |
| 5 | Double spacer FinFET formation | 281 |
| 6 | High performance strained silicon FinFETs device a… | 268 |
| 7 | FET Channel Having a Strained Lattice Structure Al… | 260 |
| 8 | Method for forming a gate in a FinFET device and t… | 252 |
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 competitive structure means for R&D investment decisions
The data points to a field in structural decline from its scaling-era peak, dominated by a small number of established semiconductor players, with collaboration concentrated around United States.
Post-peak: core FinFET scaling architecture is in decline
The lifecycle stage is Decline, with annual filings easing back from the 2017 peak of 60 records. The –56% recent-window growth figure reinforces that the foundational FinFET scaling design space is largely claimed. New entrants targeting core scaling claims face a dense prior-art landscape; incremental process or integration angles may still be viable but require careful freedom-to-operate analysis.
Lifecycle: DeclineTop five filers hold more than half of the hundred largest filers’ combined output
With the top five accounting for 52% of the leading hundred filers’ combined patent records, late entrants face a well-fortified competitive landscape. IBM’s 166-record position alone represents a substantial portfolio that covers both device structures and process methods. Mid-tier players such as Adeia Semiconductor Solutions LLC and United Microelectronics Corp. each hold fewer than 30 records, indicating a substantial gap between tier one and tier two.
High concentrationIBM-GlobalFoundries and SMIC Beijing–SMIC Shanghai are the most active co-filing pairs
The most active co-applicant pair is SMIC Beijing (Semiconductor Manufacturing International Beijing) and SMIC Shanghai (Semiconductor Manufacturing International Shanghai) with 20 jointly filed records, reflecting integrated entity-level collaboration. IBM and GlobalFoundries follow with 15 joint records, a legacy of the foundry relationship that underpins many core FinFET process patents. IBM also co-filed with STMicroelectronics (8 records), Renesas Electronics (7 records), and JSR Corporation (4 records), establishing IBM as the ecosystem hub for process co-development.
Hub: IBMUnited States is the dominant filing jurisdiction by a wide margin
The United States accounts for 531 patent records, dwarfing Europe (EPO) and WIPO (PCT) at 38 each. India (9 records) is the only other notable non-Western destination. China (2 records) and Taiwan (2 records) are strikingly sparse given their foundry importance, suggesting that filers have historically prioritised US protection for core scaling IP. Teams assessing freedom-to-operate in non-US manufacturing jurisdictions may find relatively lower prior-art density.
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 (Beijing) Corporation | Semiconductor Manufacturing International (Shanghai) Corporation | 20 |
| International Business Machines Corporation | GlobalFoundries Inc. | 15 |
| International Business Machines Corporation | STMicroelectronics Inc. | 8 |
| International Business Machines Corporation | Renesas Electronics Corporation | 7 |
| International Business Machines Corporation | JSR Corporation | 4 |
| International Business Machines Corporation | IBM United Kingdom Ltd. | 2 |
| Taiwan Semiconductor Manufacturing Co., Ltd. | National Chiao Tung University | 2 |
| International Business Machines Corporation | IBM China Co., Ltd. | 1 |
| International Business Machines Corporation | IBM Deutschland GmbH | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
IBM leads on volume; TSMC holds the strongest foundry-process position
Both tier-one players show declining recent momentum, consistent with the field’s post-peak lifecycle, but their technology emphases and ecosystem roles differ. IBM’s portfolio spans device structures, process integration, and circuit-level implementations, while TSMC’s is concentrated on manufacturability and device physics.
International Business Machines Corporation
IBM holds 166 patent records, the largest position in the corpus. Its technology focus spans H01L 29 (semiconductor device structures, 238 records), H01L 21 (process methods, 208 records), and H01L 27 (integrated circuits, 118 records), indicating broad coverage across the full FinFET design-through-manufacture stack. Recent momentum is declining at -68%, consistent with the field’s maturation and IBM’s well-documented reduction in advanced-node manufacturing activity.
166 patent recordsTaiwan Semiconductor Manufacturing Co., Ltd.
TSMC holds 89 patent records, covering H01L 29 (91 records), H01L 27 (58 records), and H01L 21 (53 records), with emphasis on device structures and integrated-circuit-level integration that reflects its foundry-process orientation. Recent momentum shows a –45% trend, a shallower decline than IBM’s, suggesting TSMC’s FinFET scaling IP activity is tapering more gradually, possibly as it transitions filings toward next-generation GAA nanosheet architectures.
89 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| International Business Machines Corporation | 9 | ▼ -68% |
| Taiwan Semiconductor Manufacturing Co., Ltd. | 18 | ▼ -45% |
Memory integration and power device branches are under-served relative to core logic
Several IPC classes adjacent to the dominant H01L logic-device cluster have low relative share in this corpus, representing areas where FinFET-specific IP coverage is sparse. These are observations of relative sparsity; whether they represent viable entry points depends on each team’s technical roadmap and competitive position.
H10B · Memory device manufacture
With 93 records and an 8% share of the IPC distribution, H10B is the largest adjacent branch but still far behind the core H01L cluster. FinFET-based SRAM and embedded memory integration is a well-known scaling challenge, yet dedicated memory-manufacture claims within this corpus are sparse. Teams with process know-how in FinFET-compatible memory cell design—particularly for embedded non-volatile or SRAM bit-cell scaling—may find more room to file here than in the saturated core logic classes. The plausible entry path is through process integration patents targeting FinFET-specific fin pitch and threshold voltage tuning for memory applications.
Search this in Eureka →H10N · Other electric solid-state devices
H10N holds only 13 records and a 1% share, placing it among the sparsest adjacent branches. This class covers thermoelectric, piezoelectric, and other non-conventional solid-state device types. FinFET process platforms increasingly serve heterogeneous integration contexts—sensors, MEMS co-integration, and specialty devices—where H10N-class innovations could arise. The low record count suggests that applicants have not yet systematically mapped FinFET scaling techniques onto this device family, making it an observable gap. Entry feasibility depends on whether a team’s FinFET process modifications generate genuinely novel solid-state device behaviour outside conventional transistor operation.
Search this in Eureka →How leading filers differ by IPC technology route
Route coverage across the main technology branches in the current evidence set.
| Player | H01L 29 · Semiconductor devices | H01L 21 · Semiconductor devices | H01L 27 · Semiconductor devices | H10D 62 · Semiconductor devices (general) | H10D 84 · Semiconductor devices (general) |
|---|---|---|---|---|---|
| International Business Machines Corporation | Strong · 238 | Strong · 208 | Moderate · 118 | Moderate · 73 | Moderate · 64 |
| Taiwan Semiconductor Manufacturing Co., Ltd. | Strong · 91 | Strong · 53 | Strong · 58 | Moderate · 26 | Emerging · 16 |
| GlobalFoundries Inc. | Strong · 48 | Strong · 47 | Strong · 31 | Moderate · 14 | Strong · 25 |
| Advanced Micro Devices, Inc. | Strong · 46 | Strong · 45 | Moderate · 11 | Absent | Emerging · 5 |
| United Microelectronics Corporation | Strong · 31 | Strong · 22 | Strong · 17 | Moderate · 14 | Moderate · 12 |
| Intel Corporation | Strong · 28 | Strong · 26 | Absent | Moderate · 7 | Moderate · 7 |
| STMicroelectronics Inc. | Strong · 18 | Strong · 16 | Strong · 15 | Moderate · 8 | Moderate · 8 |
Frequently asked questions
The corpus covers 263 patent families. Applicant rankings within the analysis are based on patent record counts, which can exceed the family total because a single family may be counted under multiple applicants or jurisdictions.
International Business Machines Corporation (IBM) holds 166 patent records, the largest position in the ranked corpus. TSMC is second with 89 records and GlobalFoundries US Inc. third with 68 records.
No. The lifecycle stage is Decline. Annual filings peaked at 60 records in 2017 and have trended downward, with the recent-window growth at -56%. Very low counts for 2024–2026 partly reflect publication lag, but the multi-year downward trajectory is consistent with the core scaling architecture reaching maturity.
The United States is the dominant jurisdiction at 531 patent records, followed by Europe (EPO) and WIPO (PCT) at 38 each. India (9 records) is the next largest. China and Taiwan each hold only 2 records despite being major manufacturing locations.
The most active co-filing pair is SMIC Beijing and SMIC Shanghai with 20 jointly filed records. IBM and GlobalFoundries co-filed 15 records, and IBM also collaborated with STMicroelectronics (8 records), Renesas Electronics (7 records), and JSR Corporation (4 records), making IBM the central hub of the co-development ecosystem.
H10N (Other electric solid-state devices) holds only 13 records and a 1% share of IPC classifications, making it the sparsest plausible adjacent branch. H10B (Memory device manufacture) at 93 records and 8% share is larger but still sparse relative to the dominant H01L core, representing an area where FinFET-specific memory integration claims remain relatively uncrowded.
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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.
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