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Northrop Grumman Corporation Patent Portfolio Analysis

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Disclaimer: 

This report has been updated through 22 June 2026. The information is provided for reference only and does not represent any opinion, recommendation, or endorsement. 

Overview 

Northrop Grumman Corporation is a U.S.-based aerospace and defense contractor with a patent portfolio spanning aerospace systems, defense technologies, autonomous platforms, cybersecurity, radar systems, communications networks, missile defense, space systems, artificial intelligence, and advanced electronics. Its filings cover aircraft systems, unmanned aerial vehicles (UAVs), satellite technologies, sensor fusion, navigation systems, command-and-control platforms, and next-generation defense infrastructure. The portfolio reflects sustained innovation across aerospace engineering, defense modernization, space technologies, and national security applications with extensive global patent protection. 

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Key Metrics:

  • Total Patents: 32,568 
  • Simple Families: 13,152 
  • Extended Families: 12,466 
  • Jurisdictions Covered: 61 
  • Litigated Patents: 8 
  • Challenged Patents: 0 

Northrop Grumman maintains a sizeable global patent portfolio spanning aerospace, defense, autonomous systems, cybersecurity, electronics, and space technologies.  

Asset Status:

  • Active: 4,788 
  • Active Grants: 3,924 
  • Active Applications: 864 
  • Inactive: 27,776 
  • Expired: 3,267 
  • Expired due to Term: 9,607 
  • Expired due to Fees: 5,995 
  • Withdrawn: 2,035 
  • Abandoned Applications: 6,870 
  • Inactive Applications: 2 

Northrop Grumman’s portfolio consists primarily of mature granted patents, with a substantial number of inactive assets reflecting decades of innovation in aerospace and defense technologies. 

Jurisdictional Distribution

Jurisdictional Distribution

Northrop Grumman’s patents span 61 jurisdictions, with the United States accounting for the largest share of filings and grants. 

  • United States (US): 11,894 
  • European Patent Office (EP): 3,700 
  • Japan (JP): 3,288 
  • Germany (DE): 2,360 
  • World Intellectual Property Organization (WO): 2,143 
  • Canada (CA): 1,902 
  • Australia (AU): 1,175 
  • France (FR): 775 
  • South Korea (KR): 683 
  • United Kingdom (GB): 630 

 Total Patents: 32,568 

The portfolio is heavily concentrated in the United States, reflecting Northrop Grumman’s role as a major U.S. defense contractor and supplier to government agencies. Strong coverage across Europe, Japan, and other allied jurisdictions highlights the company’s emphasis on protecting aerospace, defense, electronics, cybersecurity, and space technologies in strategically important markets.

Technological Distribution

Technological Distribution
  • Industrial: 4,726 
  • Computer Systems and Components: 4,153 
  • Networking: 3,387 
  • Automotive: 2,374 
  • Imaging: 1,687 
  • Consumer Goods: 1,621 
  • Software: 1,382 
  • Semiconductor: 1,341 
  • Consumer Electronics: 554 
  • Healthcare: 498 
  • Retail: 383 

Northrop Grumman’s portfolio demonstrates a diversified technology base, with strong concentrations in industrial systems, computing platforms, and networking technologies. The presence of automotive, imaging, software, and semiconductor patents reflects the company’s focus on autonomous systems, advanced sensors, mission-critical electronics, defense communications, and aerospace platforms. 

The technology mix aligns closely with Northrop Grumman’s core business areas, including aerospace systems, defense electronics, cybersecurity, command-and-control networks, autonomous vehicles, missile defense, and space technologies. 

Citations 

Top Citing Assignees (Forward Citations) 

  • Northrop Grumman Corporation – 6,308 
  • The United States of America – 3,472 
  • RTX Corporation – 2,140 
  • Lockheed Martin Corporation – 1,459 
  • Honeywell International Inc. – 1,449 
  • The Boeing Co. – 1,384 
  • Hitachi, Ltd. – 1,048 
  • International Business Machines Corporation – 984 
  • Nokia Corporation – 892 
  • General Electric Company – 816 

Top Cited Assignees (Backward Citations) 

  • Northrop Grumman Corporation – 4,514 
  • RTX Corporation – 2,142 
  • The United States of America – 2,106 
  • The Boeing Co. – 1,572 
  • Honeywell International Inc. – 1,485 
  • Lockheed Martin Corporation – 1,149 
  • Central People’s Government of The People’s Republic of China – 985 
  • International Business Machines Corporation – 926 
  • Airbus SE – 871 
  • L3Harris Technologies, Inc. – 860 

Top Cited Patents (Forward Citations) 

  • US3950686A – 1,225 citations 
  • US5565858A – 744 citations 
  • US4914590A – 681 citations 
  • US6041410A – 612 citations 
  • US7701439B2 – 504 citations 
  • US5053758A – 496 citations 
  • US5604430A – 483 citations 
  • US6100811A – 468 citations 
  • US20020109580A1 – 468 citations 
  • US6038666A – 467 citations 

Top Citing Patents (Backward Citations) 

  • US12313389B1 – 338 backward citations 
  • US12276485B1 – 260 backward citations 
  • US12055375B2 – 257 backward citations 
  • US11573069B1 – 256 backward citations 
  • US11578956B1 – 255 backward citations 
  • US12415622B2 – 254 backward citations 
  • US12209848B1 – 251 backward citations 
  • US11555679B1 – 249 backward citations 
  • US12158326B1 – 246 backward citations 
  • US12434860B2 – 241 backward citations 

Northrop Grumman’s citation ecosystem is closely aligned with leading aerospace, defense, and government organizations, including RTX, Lockheed Martin, Boeing, Honeywell, and the U.S. government. This reflects the company’s deep involvement in advanced defense systems, aerospace platforms, communications infrastructure, missile defense, autonomous systems, and national security technologies. 

The concentration of citations among major defense contractors and government entities highlights Northrop Grumman’s position within the broader defense innovation ecosystem, where technological advancements often build upon decades of aerospace, electronics, radar, cybersecurity, and space-related research. 

Litigation Activities 
  • Active Cases: 3 
  • Inactive Cases: 49 
  • Appeals: 3 
  • Patents in Litigation: 18 
  • Petitions: 0 
  • Reexaminations: 31 
  • Chinese PRB Proceedings: 4 
  • Related Parties: 202 

Northrop Grumman maintains a relatively limited litigation footprint compared to many large technology and defense companies. The modest number of active cases and litigated patents suggests that the portfolio is primarily leveraged to support technology leadership and government contracting activities rather than extensive patent enforcement campaigns. 

Patent Filing Activity by Publication/Issue Year 
Ownership and Acquisition 

Ownership Type 

  • Acquired Patents: 3,711 
  • Originally Assigned Patents: 28,857 

Sources of Acquired Patents 

  • Operating Companies: 2,977 
  • Other Sources: 156 
  • Universities: 18 
  • NPEs: 6 

Northrop Grumman’s patent portfolio is predominantly internally developed, with nearly 89% of assets originating from internal research and development activities. This reflects the company’s long-standing investment in proprietary aerospace, defense, electronics, and space technologies. 

The acquired portion of the portfolio is sourced primarily from operating companies, indicating a strategic approach to expanding technological capabilities through acquisitions and business integration activities. Contributions from universities and NPEs remain limited, highlighting a strong reliance on internal innovation and technology development programs. 

Notable Acquisitions and Strategic Transactions 
  • 2025 – Sale of Training Services business to Serco for $327 million 

Northrop Grumman agreed to sell its training services business to Serco, with the transaction expected to close mid-year 2025. The divestiture fits Northrop’s portfolio focus on higher-priority defense, aerospace, and space programs. 

 

  • 2025 – $50 million investment in Firefly Aerospace 

 

Northrop Grumman invested $50 million in Firefly Aerospace to advance the Eclipse medium launch vehicle program. The investment supports reusable launch capability and expands Northrop’s position in the space launch ecosystem. 

 

  • 2018 – Acquisition of Orbital ATK for $9.2 billion 

 

Northrop Grumman completed the acquisition of Orbital ATK on June 6, 2018. The transaction expanded the company’s space, launch, propulsion, and munitions capabilities and created Northrop Grumman Innovation Systems. 

Business Performance 

Northrop Grumman Corporation (Ticker: NOC) is a publicly traded aerospace and defense company. 

  • FY 2024 revenue: $41.0 billion, up 4% year over year. Backlog rose to a record $91.5 billion at year-end 2024. 
  • FY 2025 revenue: $42.0 billion, with backlog reaching a new record of $95.7 billion. 
  • Q3 2025 revenue: $10.4 billion, up 4% year over year; net earnings were $1.1 billion. 
  • Q3 2025 guidance: the company raised 2025 MTM-adjusted EPS guidance to $25.65 to $26.05 and reiterated expectations for continued margin expansion and cash flow growth. 
  • FY 2024 net earnings: $4.174 billion on an MTM-adjusted basis of $3.842 billion. 

 

Leadership (Current) 
  • Kathy Warden – Chair, Chief Executive Officer and President 
  • John Greene – Corporate Vice President and Chief Financial Officer 
  • Tom Jones – Corporate Vice President and President, Aeronautics Systems 
  • Roshan Roeder – Corporate Vice President and President, Mission Systems 
Headquarters 

Northrop Grumman Corporation 

2980 Fairview Park Drive 

Falls Church, VA 22042, USA 

Conclusion 

Northrop Grumman’s patent portfolio includes more than 32,500 patents across 61 jurisdictions, with strong concentrations in aerospace systems, defense technologies, industrial systems, computing platforms, networking technologies, and autonomous systems. The portfolio reflects decades of innovation supporting military, intelligence, space, cybersecurity, and advanced engineering applications. 

The company’s extensive patent holdings, combined with its strategic acquisitions and leadership position in aerospace and defense, reinforce its role as one of the world’s most significant defense technology innovators. 

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Frequently Asked Questions

Northrop Grumman owns more than 32,500 patents across 61 jurisdictions. The portfolio covers aerospace, defense, space systems, cybersecurity, autonomous platforms, and advanced electronics technologies. 

Industrial systems, computer systems, networking technologies, automotive systems, imaging technologies, and software represent the largest technology categories. These areas closely support the company’s aerospace and defense operations. 

Northrop Grumman maintains a relatively limited patent litigation footprint. Its intellectual property strategy is primarily focused on protecting technological leadership and supporting defense and government programs. 

The portfolio is strongly connected with RTX, Lockheed Martin, Boeing, Honeywell, IBM, Airbus, and U.S. government entities. These relationships reflect overlapping innovation in aerospace, defense, communications, and national security technologies. 

The acquisition of Orbital ATK in 2018 for approximately $9.2 billion significantly expanded Northrop Grumman’s space systems, launch vehicles, propulsion technologies, and defense capabilities. 

The portfolio protects technologies supporting military aircraft, missile defense systems, space platforms, radar systems, autonomous vehicles, cybersecurity infrastructure, and advanced communications networks that are critical to national security programs. 

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