International Business Machines Corp

PTAB Cases
104
Ex-Parte Reexams
22
Litigation Cases
398
Patents
543,598

PTAB

Case #Filing DateStatusIndustryPatent OwnerPetitioner
IPR2025-005992025-02-07PendingHigh-Tech

Virtamove Corp

International Business Machines Corp

IPR2025-005912025-02-06PendingHigh-Tech

Virtamove Corp

International Business Machines Corp

IPR2025-003792025-01-02SettlementHigh-Tech

Croga Innovations Ltd

International Business Machines Corp

IPR2025-003802024-12-30SettlementHigh-Tech

Croga Innovations Ltd

International Business Machines Corp

IPR2023-009722023-06-26Not Instituted - ProceduralHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2023-009732023-06-23SettlementHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2023-009702023-06-20Not Instituted - ProceduralMedical

Digital Doors Inc

International Business Machines Corp

IPR2023-009712023-06-09Not Instituted - MeritsHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2023-009692023-06-09Not Instituted - ProceduralHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2023-009682023-05-31Not Instituted - ProceduralHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2023-009672023-05-31Not Instituted - ProceduralHigh-Tech

Digital Doors Inc

International Business Machines Corp

IPR2022-014882022-09-01SettlementHigh-Tech

Isix IP LLC

International Business Machines Corp

IPR2022-012502022-07-13Final Written DecisionHigh-Tech

Ebates Performance Marketing Inc

Rakuten Rewards

International Business Machines Corp

IPR2022-008902022-05-02Final Written DecisionHigh-Tech

Ebates Performance Marketing Inc

Rakuten Rewards

International Business Machines Corp

IPR2022-005652022-02-14SettlementHigh-Tech

Invincible IP LLC

HashiCorp Inc

IPR2022-005672022-02-14SettlementHigh-Tech

Invincible IP LLC

HashiCorp Inc

IPR2022-005662022-02-14SettlementHigh-Tech

Invincible IP LLC

HashiCorp Inc

IPR2020-013402020-07-21SettlementHigh-Tech

Cirba IP Inc

Turbonomic Inc

IPR2020-004962020-01-31Not Instituted - MeritsHigh-Tech

Rigetti & Co Inc

International Business Machines Corp

IPR2020-004972020-01-31Not Instituted - MeritsHigh-Tech

Rigetti & Co Inc

International Business Machines Corp

IPR2020-004942020-01-31Not Instituted - MeritsHigh-Tech

Rigetti & Co Inc

International Business Machines Corp

IPR2020-004952020-01-31Not Instituted - MeritsHigh-Tech

Rigetti & Co Inc

International Business Machines Corp

IPR2020-003232019-12-19Final Written DecisionHigh-Tech

Trusted Knight Corp

International Business Machines Corp

IPR2019-004652018-12-19Not Instituted - MeritsHigh-Tech

Electronics & Telecommunications Research Institute

Red Hat Inc

Dell Inc

Hewlett Packard Enterprise Co

EMC Corp

Super Micro Computer Inc

Hitachi Vantara Corp

Hewlett Packard Enterprises Co

IPR2019-004672018-12-19Not Instituted - MeritsHigh-Tech

Electronics & Telecommunications Research Institute

Red Hat Inc

Hewlett Packard Enterprise Co

EMC Corp

Super Micro Computer Inc

Hitachi Vantara Corp

Dell Inc

IPR2017-014522017-05-18Not Instituted - MeritsHigh-Tech

Groupon Inc

International Business Machines Corp

IPR2017-014512017-05-18SettlementHigh-Tech

Groupon Inc

International Business Machines Corp

IPR2017-012502017-04-06Not Instituted - MeritsHigh-Tech

Envisionit LLC

International Business Machines Corp

IPR2017-012462017-04-06Not Instituted - MeritsHigh-Tech

Envisionit LLC

International Business Machines Corp

IPR2017-012512017-04-06Not Instituted - MeritsHigh-Tech

Envisionit LLC

International Business Machines Corp

IPR2017-012482017-04-06Not Instituted - MeritsHigh-Tech

Envisionit LLC

International Business Machines Corp

IPR2017-012472017-04-06Not Instituted - MeritsHigh-Tech

Envisionit LLC

International Business Machines Corp

IPR2016-018512016-09-19Not Instituted - ProceduralHigh-Tech

ZitoVault LLC

International Business Machines Corp

SoftLayer Technologies Inc

IPR2016-010252016-05-10Final Written DecisionHigh-Tech

ZitoVault LLC

Gearbox Software LLC

Bazaarvoice Inc

International Business Machines Corp

SoftLayer Technologies Inc

Amazon Inc

IPR2016-008372016-04-04SettlementHigh-Tech

Filtalert Corp

International Business Machines Corp

IPR2016-000212015-10-07Final Written DecisionHigh-Tech

ZitoVault LLC

Gearbox Software LLC

Bazaarvoice Inc

International Business Machines Corp

SoftLayer Technologies Inc

Amazon Inc

IPR2015-017292015-08-14Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

IPR2015-017322015-08-14Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

IPR2015-017342015-08-14Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

IPR2015-017312015-08-14Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

IPR2015-015422015-07-02Not Instituted - MeritsHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

IPR2015-015432015-07-02Not Instituted - MeritsHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

IPR2015-014812015-06-23Final Written DecisionHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

IPR2015-013222015-06-01Final Written DecisionHigh-Tech

Intellectual Ventures II LLC

International Business Machines Corp

IPR2015-013232015-06-01Final Written DecisionHigh-Tech

Intellectual Ventures II LLC

International Business Machines Corp

IPR2015-010892015-04-22Final Written DecisionHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

IPR2015-004852014-12-23Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

Microsoft Corp

IPR2015-004832014-12-23Procedural TerminationHigh-Tech

Parallel Networks Licensing LLC

International Business Machines Corp

Microsoft Corp

IPR2015-003022014-11-25Final Written DecisionHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

IPR2015-003042014-11-25Final Written DecisionHigh-Tech

Intellectual Ventures I LLC

International Business Machines Corp

Ex-Parte Reexams

ApplicationFiling DateStatusPatent OwnerRequester
900091102008-04-11Decision - Certificate IssuedSuperspeed LLCInternational Business Machines Corp
900087812007-11-09Decision - Certificate IssuedFreemarkets IncEmptoris Inc
900087822007-11-09Decision - Certificate IssuedFreemarkets IncEmptoris Inc
900087852007-11-09Pending - Reexam DeterminationFreemarkets Online IncEmptoris Inc

Litigation

Case NumberFiling DateStatusCourtCause of ActionIndustryDefendantPlaintiff
25-17062025-04-29openCourt of Appeals for the Federal Circuit

Infringement

VirtaMove Corp

Red Hat Inc

1:25-cv-006132025-04-10openVirginia Eastern District Court

Declaratory Judgment

High-Tech

Vpn Technology Holdings LLC

Red Hat Inc

3:25-cv-002862025-04-10closedVirginia Eastern District Court

Infringement

High-Tech

Vpn Technology Holdings LLC

Red Hat Inc

25-11522024-11-05openCourt of Appeals for the Federal Circuit

Infringement

AttestWave LLC

International Business Machines Corp

1:24-cv-010872024-09-30openDelaware District Court

Infringement

High-Tech

Take-Two Interactive Sofware Inc

International Business Machines Corp

5:24-cv-005052024-09-03openNorth Carolina Eastern District Court

Infringement

High-Tech

Competitive Access Systems Inc

Red Hat Inc

4:24-cv-001302024-09-03openNorth Carolina Eastern District Court

Declaratory Judgment

High-Tech

Competitive Access Systems Inc

Red Hat Inc

5:24-cv-047402024-08-05openCalifornia Eastern District Court

Infringement

High-Tech

VirtaMove Corp

Red Hat Inc

3:24-cv-047402024-08-05openCalifornia Eastern District Court

Infringement

High-Tech

VirtaMove Corp

Red Hat Inc

5:24-cv-047402024-08-05openCalifornia Northern District Court

Infringement

High-Tech

VirtaMove Corp

Red Hat Inc

24-16932024-04-16openCourt of Appeals for the Federal Circuit

Other

Ebates Performance Marketing Inc

International Business Machines Corp

24-16482024-04-03openCourt of Appeals for the Federal Circuit

Other

Ebates Performance Marketing Inc

International Business Machines Corp

24-11702023-11-21openCourt of Appeals for the Federal Circuit

Other

Ebates Performance Marketing Inc

Zillow LLC

International Business Machines Corp

3:22-cv-052892022-09-16openCalifornia Northern District Court

Declaratory Judgment

High-Tech

Valtrus Innovations Ltd

Red Hat Inc

4:22-cv-052892022-09-16closedCalifornia Northern District Court

Infringement

Valtrus Innovations Ltd

Red Hat Inc

2022-18612022-06-02openCourt of Appeals for the Federal Circuit

Other

Zillow LLC

International Business Machines Corp

22-18612022-06-02closedCourt of Appeals for the Federal Circuit

Infringement

Zillow LLC

International Business Machines Corp

22-17562022-05-05closedCourt of Appeals for the Federal Circuit

Infringement

Chewy Inc

International Business Machines Corp

1:22-cv-005902022-05-02closedDelaware District Court

Infringement

High-Tech

Chartboost Inc

Zynga Inc

International Business Machines Corp

6:22-cv-002992022-03-21openTexas Western District Court

Patent Infringement

High-Tech

Lzlabs GMBH

Texas Wormhole LLC

International Business Machines Corp

2021-23502021-09-27openCourt of Appeals for the Federal Circuit

Zillow LLC

International Business Machines Corp

2021-22672021-08-30openCourt of Appeals for the Federal Circuit

Sequoia Technology LLC

Electronics & Telecommunications Research Institute

International Business Machines Corp

Red Hat Inc

1:21-cv-004612021-03-29closedDelaware District Court

Infringement

High-Tech

Rakuten Commerce LLC

Ebates Performance Marketing Inc

Rakuten Inc

Ebates Inc

International Business Machines Corp

1:21-cv-003312021-03-03closedDelaware District Court

Infringement

High-Tech

III Holdings 6 LLC

III Holdings 12 LLC

Ashbourne Technologies LLC

Bampton Technologies LLC

Invention Investment Ireland

Red Hat Inc

2:20-cv-011302020-07-21closedWashington Western District Court

Infringement

High-Tech

Zillow LLC

International Business Machines Corp

2:20-cv-008512020-05-28openWashington Western District Court

Infringement

High-Tech

Zillow LLC

International Business Machines Corp

1:20-cv-038192020-05-15closedNew York Southern District Court

Infringement

High-Tech

Cirba Inc

Turbonomic Inc

1:20-cv-003512020-03-11closedDelaware District Court

Infringement

High-Tech

Airbnb Inc

International Business Machines Corp

8:19-cv-017772019-09-17closedCalifornia Central District Court

Infringement

High-Tech

Zillow LLC

International Business Machines Corp

2:19-cv-022962019-04-09closedArizona District Court

Infringement

High-Tech

Hotels.com, L.P.

Orbitz LLC

Expedia Inc

Hotwire Inc

International Business Machines Corp

1:18-cv-020272018-12-19closedDelaware District Court

Declaratory Judgment

High-Tech

Sequoia Technology LLC

Electronics & Telecommunications Research Institute

International Business Machines Corporations

Red Hat Inc

1:18-cv-011272018-07-31closedDelaware District Court

Patent Infringement

High-Tech

Dell Inc

EMC Corporation Also Known AS Dell EMC

Super Micro Computer Inc

Hitachi Vantara LLC

Hewlett Packard Enterprise Co

Hitachi Ltd

Dell Technologies Inc

Sequoia Technology LLC

International Business Machines Corp

Sequoia Technology LLC

Red Hat Inc

2018-15742018-02-15closedCourt of Appeals for the Federal Circuit

OpenTable Inc

Booking Holdings Inc

Priceline Com LLC

Kayak Software Corp

International Business Machines Corp

1:17-cv-018752017-12-29closedDelaware District Court

Infringement

High-Tech

Hotels.com, L.P.

Hotwire Inc

Expedia Inc

HomeAway Com Inc

Travelscape LLC

Orbitz LLC

Orbitz Worldwide LLC

International Business Machines Corp

2017-22052017-06-22closedCourt of Appeals for the Federal Circuit

ZitoVault LLC

SoftLayer Technologies Inc

2017-21462017-06-13closedCourt of Appeals for the Federal Circuit

ZitoVault LLC

Gearbox Software LLC

SoftLayer Technologies Inc

Bazaarvoice Inc

Amazon Web Services Inc

International Business Machines Corp

Amazon Com Inc

2016-26422016-09-16closedCourt of Appeals for the Federal Circuit

Parallel Networks Licensing LLC

International Business Machines Corp

2016-26462016-09-16closedCourt of Appeals for the Federal Circuit

Parallel Networks Licensing LLC

International Business Machines Corp

2016-26452016-09-16closedCourt of Appeals for the Federal Circuit

Parallel Networks Licensing LLC

International Business Machines Corp

2016-26442016-09-16closedCourt of Appeals for the Federal Circuit

Parallel Networks Licensing LLC

International Business Machines Corp

2016-25152016-08-19closedCourt of Appeals for the Federal Circuit

Parallel Networks Licensing LLC

International Business Machines Corp

Microsoft Corp

1:16-cv-001222016-03-02closedDelaware District Court

Infringement

High-Tech

Groupon Inc

International Business Machines Corp

2015-14052015-03-02closedCourt of Appeals for the Federal Circuit

Amplidata NV

Cleversafe Inc

1:15-cv-001372015-02-09closedDelaware District Court

Infringement

OpenTable Inc

Priceline Com LLC

Kayak Software Corp

Priceline Group Inc

International Business Machines Corp

1:12-cv-109432012-05-25closedMassachusetts District Court

Infringement

Hirebridge LLC

Main Sequence Technology Inc

HireAbility.com

Sapien LLC

Sendouts LLC

Qfetch LLC

Kenexa BrassRing Inc

1:12-cv-006602012-05-25closedDelaware District Court

Infringement

GetHired Inc

Readyforce Inc

Otys E-Recruiting Systems USA LLC

Akken Inc

Daxtra Technologies Ltd

Otys International B V

Kenexa BrassRing Inc

4:11-cv-048962011-10-04closedCalifornia Northern District Court

Declaratory Judgment

Acqis LLC

International Business Machines Corp

5:11-cv-048962011-10-04openCalifornia Eastern District Court

Acqis LLC

International Business Machines Corp

5:11-cv-048962011-10-04openCalifornia Northern District Court

Acqis LLC

International Business Machines Corp

1:11-cv-048902011-07-20closedIllinois Northern District Court

Infringement

Amplidata NV

Cleversafe Inc

Patents

Patent NumberPatent TitlePublication DatePriority DateAssignee
CN-120216321-AChecking Code Integrity Using Hapax Legomenon2025-06-272023-12-27

International Business Machines Corp

CN-120226304-AMethod for Verifying Ownership Rights of Digital Asset and Authenticating Digital Asset2025-06-272022-11-23

International Business Machines Corp

CN-113454593-BMaintaining Compatibility of Complex Functions Across Multiple Machine Generations2025-06-272019-02-27

International Business Machines Corp

CN-120226019-AScalable Switched Capacitor Computation Core for Accurate and Efficient Deep Learning Inference2025-06-272022-11-29

International Business Machines Corp

CN-120215907-ATagging Deterministic Code in Artificial Intelligence Generated Code2025-06-272023-12-27

International Business Machines Corp

CN-120215950-ACombined Code Generation for Training Artificial Intelligence Systems2025-06-272023-12-27

International Business Machines Corp

CN-112771549-BEnhancing Mixed Quantum Classical Algorithm for Optimization2025-06-272018-10-04

International Business Machines Corp

CN-114637529-BMachine Learning-based Disuse Software Identification2025-06-272020-12-15

International Business Machines Corp

CN-113711216-BPolicy-based Triggering of Revisions of Access Control Information2025-06-272019-06-12

International Business Machines Corp

CN-120216012-ACode Annotation Quality Assurance2025-06-272023-12-27

International Business Machines Corp

US-20250209349-A1Remark Predictions2025-06-26

International Business Machines Corp

JP-2025519368-AMulti-axis Magnetic Field Vector Generation2025-06-262022-06-13

International Business Machines Corp

US-20250209796-A1Generating Annotated Data Samples for Training Using Trained Generative Model2025-06-26

International Business Machines Corp

US-20250212508-A1Stacked Transistor Structures with Aligned Cell Boundaries and Shifted Channels2025-06-26

International Business Machines Corp

WO-2025133758-A1Adaptive Large Language Model Training2025-06-262023-12-18

International Business Machines Corp

WO-2025131687-A1Semiconductor Device with Different Types of Stacked Devices2025-06-262023-12-19

International Business Machines Corp

JP-2025096185-AMethod, System, and Computer Readable Program for Neural Network Based Context-aware Code Translation and Optimization2025-06-262023-12-14

International Business Machines Corp

DE-112023003296-T5Optimizing the Security of Internet of Things Devices2025-06-262022-08-01

International Business Machines Corp

US-20250212472-A1Gaa Nanosheet Fet with Source/drain Extension2025-06-26

International Business Machines Corp

US-20250212483-A1Backside Contacts for Stacked Transistor Structures with Shifted Channels2025-06-26

International Business Machines Corp

US-20250209369-A1Knowledge-based Machine Learning Surrogate Models2025-06-26

International Business Machines Corp

US-20250209462-A1Suspicious Activity Detection Using Quantum Computer2025-06-26

International Business Machines Corp

WO-2025131720-A1Dual Gate Cut with Backside Power Delivery2025-06-262023-12-21

International Business Machines Corp

DE-112023003815-T5Automated Query Selectivity Predictions Using Query Graphs2025-06-262022-09-14

International Business Machines Corp

US-20250211417-A1Executing Remotely a Data Processing Application2025-06-262023-12-20

International Business Machines Corp

JP-2025519369-AVoltage Swing Method for Carbon Capture Using Porous Carbon2025-06-262022-06-24

International Business Machines Corp

US-20250210520-A1Dual Gate Cut with Backside Power Delivery2025-06-26

International Business Machines Corp

US-20250210990-A1Sustainably Input Phase Balancing with Intelligent Phase Assignment and Psu Load Shifting2025-06-26

International Business Machines Corp

WO-2025133760-A1Stacked Fet with a Robust Contact2025-06-262023-12-19

International Business Machines Corp

US-20250212506-A1Split Gate Contacts for Vertically Stacked Transistors2025-06-26

International Business Machines Corp

US-20250212523-A1Signal Routing Path Using Free Backside Wires2025-06-26

International Business Machines Corp

US-20250209365-A1Identifying a Dynamical Decoupling Sequence for Error Suppression of Quantum Computations Using a Genetic Algorithm2025-06-26

International Business Machines Corp

US-20250208862-A1System Development Incorporating Ethical Context2025-06-26

International Business Machines Corp

WO-2025131802-A1High Capacitance Hybrid Bonded Capacitor Device2025-06-262023-12-18

International Business Machines Corp

WO-2025133744-A1Self‑aligned Backside Channel Removal2025-06-262023-12-19

International Business Machines Corp

WO-2025133757-A1Semiconductor Pattern Structure Preservation2025-06-262023-12-18

International Business Machines Corp

US-20250208961-A1Suspected Abnormal Log Diagnosis2025-06-26

International Business Machines Corp

WO-2025133723-A1Backside Contacts for Stacked Transistor Structures with Shifted Channels2025-06-262023-12-21

International Business Machines Corp

DE-112023003810-T5Mram with Doped Silicon-germanium-tin Alloy Electrodes2025-06-262022-09-13

International Business Machines Corp

US-20250208880-A1Sizing Service for Cloud Migration to Physical Machine2025-06-26

Red Hat Inc

WO-2025131645-A1Adaptive Log Compression2025-06-262023-12-19

International Business Machines Corp

WO-2025133722-A1Stacked Transistor Structures with Aligned Cell Boundaries and Shifted Channels2025-06-262023-12-21

International Business Machines Corp

US-20250210518-A1Direct Backside Contacts with Local Interconnects2025-06-26

International Business Machines Corp

DE-112023003441-T5Ferroelectric Memory Cell2025-06-262022-08-16

International Business Machines Corp

WO-2025131440-A1Sustainably Input Phase Balancing with Intelligent Phase Assignment and Psu Load Shifting2025-06-262023-12-20

International Business Machines Corp

US-20250209182-A1Suppressing a Vulnerability of a Continuous Integration Pipeline with Audit Functionality2025-06-26

Red Hat Inc

DE-112023003814-T5Resistive Memory with Resistance Spreading Layer2025-06-262022-09-13

International Business Machines Corp

JP-2025519341-ANetwork with Multiple Oscillators2025-06-262022-06-16

International Business Machines Corp

JP-7698385-B2Action Pruning with Logical Neural Networks2025-06-252020-11-24

International Business Machines Corp

JP-7698384-B2Secure Re-encryption of Homomorphically Encrypted Data2025-06-252020-11-20

International Business Machines Corp