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Chapter 24

Agricultural Technology

Precision agriculture and crop science patenting trends

Having examined 3D printing and the role of patent expirations in democratizing manufacturing technology, this chapter turns to agricultural technology, a domain where biological and digital innovations are reshaping food production through precision agriculture and biotechnology.

Agriculture is one of the oldest areas of innovation in the United States patent system. From the earliest mechanical plows and seed drills to modern precision farming platforms, agricultural technology patents trace the arc of how humanity feeds itself. This chapter examines the evolution of agricultural patenting — from traditional mechanization through the biotechnology revolution to the emerging era of data-driven farming.

Growth Trajectory

Figure 1

Agricultural Patent Filings Grew From 498 in 1976 to 2,980 in 2020, Accelerating After GM Crops and Precision Ag

Annual count of utility patents classified under agricultural technology CPC codes, tracking the growth trajectory of agricultural patenting.

Annual count and share of utility patents classified under agricultural technology CPC codes, 1976–2025. The data reveal sustained growth with notable accelerations following the introduction of genetically modified crops in 1996 and the precision agriculture expansion accelerating markedly from 2018. Grant year shown. Application dates are typically 2–3 years earlier.
Agricultural patent growth reflects the sector's ongoing transformation from mechanization to biotechnology and digital farming, with each technological wave generating new categories of inventive activity.
Figure 2

AgTech's Share of Total Patents Ranged From 0.44% in 2003 to 0.99% in 2025 (Through September), Reflecting R&D Shifts

Agricultural patents as a percentage of all utility patents, showing the evolving allocation of inventive effort toward agricultural technologies.

Percentage of all utility patents classified under agricultural technology CPC codes. Fluctuations in share reflect both changes in agricultural R&D investment and the growth of other technology sectors that expand the overall patent base.
The share of agricultural patents reveals how agricultural innovation competes for attention with other technology domains, with periods of relative growth often coinciding with major policy or scientific breakthroughs.
Figure 3

Agricultural Technology Patenting Shows Steady Incumbent Dominance: Incumbents Produced 82.3% of 2024 Patents

Annual patent counts decomposed by entrants (first patent in domain that year) versus incumbents.

Entrants are assignees filing their first agricultural technology patent in a given year. Incumbents had at least one prior-year patent. Grant year shown.

Agricultural Subfields

Figure 4

Plant Breeding Peaked at 1,309 Patents in 2019, While Precision Agriculture Grew From 2 in 2003 to 239 in 2023

Patent counts by agricultural subfield (soil working, planting, horticulture, plant breeding, precision agriculture) over time.

Patent counts by agricultural subfield over time. Horticulture and forestry and plant breeding account for the largest share of agricultural patents, reflecting their breadth and commercial importance. Precision agriculture, though smaller in absolute terms, has exhibited rapid growth since 2012.
The subfield composition reveals agriculture's dual nature: a mature sector with deep roots in mechanical innovation and a frontier domain where digital technologies are creating entirely new categories of invention.

Leading Organizations

Figure 5

Pioneer Hi-Bred (5,226), Monsanto (5,198), and Deere & Company (1,805) Lead in AgTech Patent Volume

Organizations ranked by total agricultural technology patent count, showing concentration among major agribusiness firms.

Organizations ranked by total agricultural technology patents. The data indicate a concentration among large agribusiness firms with vertically integrated operations spanning equipment manufacturing, seed development, and crop protection chemicals.
The dominance of a small number of major agribusiness firms reflects the capital-intensive nature of agricultural R&D, which requires long development cycles, regulatory approvals, and extensive field testing.

Top Inventors

Figure 6

Top 10 Agricultural Inventors Hold 3,585 Patents, Concentrated in Plant Breeding, Equipment, and Precision Ag

Primary inventors ranked by total agricultural technology patent count, illustrating the distribution of individual inventive output.

Primary inventors ranked by total agricultural technology patents. The distribution reflects the specialized nature of agricultural innovation, with prolific inventors typically associated with major agribusiness firms and concentrated in specific subfields.
The concentration of agricultural patents among a small number of prolific inventors reflects the specialized expertise required for plant breeding, equipment engineering, and precision agriculture systems.

Geographic Distribution

Figure 7

The United States Leads With Nearly 40,000 Agricultural Patents, Followed by Japan (1,942) and Germany (1,511)

Countries ranked by total agricultural technology patents based on primary inventor location, showing geographic distribution of agricultural innovation.

Countries ranked by total agricultural technology patents based on primary inventor location. The United States maintains a substantial lead, while the presence of European and Asian agricultural economies reflects the global nature of food production challenges.
The geographic distribution of agricultural patents mirrors the global structure of agribusiness, with major patent-holding countries corresponding to nations with large agricultural sectors and established agrochemical and seed industries.
Figure 8

Iowa (5,680), Illinois (4,758), and California (4,384) Lead US AgTech Patenting, Near Agribusiness HQs

US states ranked by total agricultural technology patents based on primary inventor location, highlighting geographic clustering within the United States.

US states ranked by total agricultural technology patents based on primary inventor location. The clustering pattern reflects the location of major agribusiness corporate headquarters and land-grant universities with agricultural research programs.
Unlike technology patents, which concentrate in coastal hubs, agricultural patents reflect the location of agribusiness headquarters and land-grant universities, creating a distinctive geography of innovation.

Quality Indicators

Figure 9

Agricultural Patent Tech Scope Rose From 1.98 in 1976 to 2.98 in 2024, Growing Since the Precision Ag Era

Average claims, backward citations, and technology scope (CPC subclasses) for agricultural patents by year, measuring quality trends.

Average claims, backward citations, and technology scope for agricultural patents by year. The upward trend in technology scope reflects the increasing interdisciplinarity of agricultural innovation as digital, biological, and mechanical technologies converge.
Rising technology scope in agricultural patents signals the convergence of previously distinct technology domains — mechanical engineering, biology, and computing — within a single class of inventions.
Figure 10

Agricultural Technology Top-Decile Citation Share Rose From 4.5% in 1990 to 9.4% in 2020

Share of domain patents in the top decile of system-wide forward citations by grant year × CPC section.

Top decile computed relative to all utility patents in the same grant year and primary CPC section. Rising share indicates domain quality outpacing the system; falling share indicates dilution.

AgTech Patenting Strategies

The leading agricultural patent holders pursue distinct strategies that reflect their positions in the agricultural value chain. Equipment manufacturers concentrate on soil working, planting, and precision agriculture, while life science companies focus on plant breeding and crop protection. Comparing subfield portfolios across major holders reveals where each organization concentrates its inventive effort and identifies emerging areas of competitive overlap.

Agricultural Technology Diffusion

Agricultural innovation increasingly draws on technologies from other sectors. By tracking how frequently agricultural patents also carry CPC codes from non-agricultural technology areas, it is possible to measure the diffusion of digital, chemical, and mechanical innovations into farming. This cross-domain flow reflects agriculture's growing integration with the broader technology landscape.

Figure 11

28.7% of Agricultural Patents Co-Classified With Physics (G) in 2024, Up From 3.3% in 1990

Percentage of agricultural patents co-classified with non-agricultural CPC sections, measuring technology diffusion into farming.

Percentage of agricultural patents that also carry CPC codes from each non-agricultural section. Rising lines indicate growing technology convergence. The most notable pattern is the dominant co-occurrence with Physics (Section G, encompassing sensors, data processing, and computing), followed by Chemistry (Section C, encompassing crop protection and biochemistry).
The cross-domain diffusion of agricultural patents reveals how farming is becoming a technology-integration challenge, where innovations in chemistry, computing, and engineering converge in the field.

Team Size: AgTech versus Non-AgTech

Agricultural patents have involved growing inventor teams over time, though they remain consistently smaller than non-agricultural patent teams. Comparing team sizes between agricultural and non-agricultural patents reveals that agricultural innovation, while becoming more collaborative, has not yet reached the team sizes typical of other technology domains.

Figure 12

Agricultural Patent Teams Average 2.91 Inventors in 2024 versus 3.19 for Non-AgTech, Gradually Converging

Average inventors per patent for AgTech versus non-AgTech utility patents by year, comparing collaborative intensity.

Average number of inventors per patent for agricultural versus non-agricultural utility patents, 1976–2025. Agricultural patent teams have consistently been smaller than non-AgTech teams, though the gap has narrowed over time as agricultural innovation becomes increasingly multidisciplinary.
Agricultural patent teams remain consistently smaller than non-AgTech averages, reflecting the sector's historical roots in individual mechanical invention, though the gap is narrowing as precision agriculture and biotechnology demand larger collaborative teams.
Figure 13

Corporate Assignees Hold 98.2% of Agricultural Patents in 2024; University and Gov't Echo Land-Grant Legacy

Distribution of agricultural patents by assignee type (corporate, university, government, individual) over time.

Distribution of agricultural patent assignees by type over time. Corporate assignees dominate, but the presence of universities and government entities reflects the enduring role of the land-grant university system and public agricultural research institutions.
The assignee type distribution reveals the public-private structure of agricultural R&D, where corporate investment in commercial technologies is complemented by university and government contributions to fundamental crop science and sustainable farming practices.

Analytical Deep Dives

For metric definitions and cross-domain comparisons, see the ACT 6 Overview.

Figure 14

Top-4 AgTech Patent Concentration Peaked at 46.7% in 2014, Declining to 32.8% by 2025 (Through September)

Share of annual domain patents held by the four largest organizations, measuring organizational concentration in agricultural technology patenting.

CR4 (four-firm concentration ratio) computed as the sum of the top 4 organizations' annual patent counts divided by total domain patents. The 2014 peak reflects the dominance of large agricultural conglomerates. Concentration has decreased modestly as biotechnology and precision agriculture attracted new entrants.
Agricultural technology exhibits one of the highest peak organizational concentrations among ACT 6 domains, consistent with the capital-intensive nature of agricultural R&D and the dominance of vertically integrated seed and agrochemical firms.
Figure 15

Agricultural Technology Subfield Diversity Increased From 0.73 in 1976 to 0.92 by 2025 (Through September)

Normalized Shannon entropy of subfield patent distributions, measuring how evenly inventive activity is spread across agricultural technology subfields.

Normalized Shannon entropy of subfield patent distributions. The steady increase from 0.73 to above 0.90 indicates that agricultural patenting has diversified from a moderately diverse base into precision agriculture, soil science, and agricultural biotechnology.
The diversification trajectory is consistent with the agricultural sector's transition from chemical-intensive to data-driven farming, with new subfields emerging around sensors, automation, and genetic engineering.
Figure 16

Later AgTech Entrants Patent Faster: 2000s Cohort Averages 32.9 Patents/Year versus 7.4 for 1970s Entrants

Mean patents per active year for top organizations grouped by the decade in which they first filed an agricultural technology patent.

Mean patents per active year for top organizations grouped by entry decade. Only cohorts with three or more organizations are shown. The 4.4x velocity increase from 1970s to 2000s entrants suggests the domain has become substantially more accessible to productive patenting.
The rising velocity across cohorts is consistent with agricultural technology maturing as a patenting domain, with standardized CPC classifications and established prior art facilitating faster patent prosecution for later entrants.

Agricultural technology patenting reveals a sector at a crossroads. The mechanization legacy — soil working and planting patents that trace back to the earliest decades of the patent system — continues to evolve, but the center of gravity is shifting toward biological and digital technologies. Climate change is associated with renewed urgency in drought-resistant crop development, water-efficient irrigation, and sustainable farming practices. The convergence of precision agriculture with artificial intelligence and biotechnology suggests that future agricultural patents will increasingly bridge the farm, the laboratory, and the data center, reflecting a convergence of precision agriculture, biotechnology, and data science.

Figure 17

AgTech Filings Peaked in 2019 at 3,351 While Grants Peaked at 2,980 in 2020 — the Tightest Lag Among ACT 6 Domains

Annual patent filings versus grants for agricultural technology, showing the filing-to-grant pipeline.

Agricultural technology exhibits one of the tightest filing-to-grant lags among ACT 6 domains, with grant peaks closely following filing peaks. This pattern reflects relatively shorter examination times for agricultural patents compared to software-heavy domains.

Data coverage: January 1976 through September 2025. All 2025 figures reflect partial-year data.