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Patent invalidity dossiers.

7,175 patents in the database, sorted by number of on-file litigation cases. Of these, 2,988 have at least one tracked case across 6,606 litigations.

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  • US8664800
    0 cases1/8 sections

    Patent Overview: US8664800B2 Title: System and method for distribution of inverter VAR support Patent number / application: US8664800B2; Application US12/872,577 Assignee (per source): Original assignee General Electric Co; current…

    View full analysis →added 9/20/2026
  • US8666099
    0 cases1/8 sections

    Patent Overview: US8666099B2 Title: Hearing aid and a method for alleviating tinnitus using a notch filter Assignee: Widex A/S (original and current assignee per the source). Inventors: Jakob Nielsen, Georg Stiefenhofer, Mike Lind Rank…

    View full analysis →added 9/23/2026
  • US8669167
    0 cases1/8 sections

    Patent Overview: US8669167B1 Title: Techniques for metal gate workfunction engineering to enable multiple threshold voltage FINFET devices Assignee/Applicant: Originally assigned to International Business Machines Corporation (IBM)…

    View full analysis →added 9/23/2026
  • US8669290
    0 cases1/8 sections

    Patent Overview: US8669290B2 Title: Aqueous liquid preparation containing 2-amino-3-(4-bromobenzoyl)phenylacetic acid Patent number: US8669290B2 | Application: US13/687,242 | Publication: US20130090384A1 Inventor(s): Shirou Sawa; Shuhei…

    View full analysis →added 9/23/2026
  • US8684265
    0 cases1/8 sections

    Patent Overview: US 8,684,265 B1 Title: "Rewards program website permitting conversion/transfer of non-negotiable credits to entity independent funds" Patent number: US 8,684,265 B1 (application US 13/681,479; publication US 201213681479A)…

    View full analysis →added 9/23/2026
  • US8690816
    0 cases1/8 sections

    Patent Overview — US8690816B2 Title: Implantable flow connector Patent number: US8690816B2 Application number: US12/185,810 Assignee/current assignee (per listing): Bioconnect Systems Inc Inventors: Adam Dakin, Michael Dugery, Todd Polk…

    View full analysis →added 9/23/2026
  • US8706159
    0 cases1/8 sections

    Patent Overview: US8706159B2 — "Media Data Transfer" Title: Media data transfer Patent number: US8706159B2 Current assignee: Apple Inc. (originally Apple Computer, Inc.) Inventors: Stanley C. Ng; Andrew Bert Hodge; Anthony M. Fadell…

    View full analysis →added 9/21/2026
  • US8718558
    0 cases1/8 sections

    Patent Overview — US 8,718,558 B2 Title: Methods and apparatus for use in facilitating communications over first and second wireless connections of a wireless transceiver Source: https://patents.google.com/patent/US8718558/en Key…

    View full analysis →added 9/23/2026
  • US8726379
    0 cases1/8 sections

    Patent Overview — US 8,726,379 B1 Title: Systems and methods for dynamic protection from electronic attacks Patent number: US 8,726,379 B1 (application US 13/550,354) Assignee: Original assignee Norse Corp. Per the listed current assignee…

    View full analysis →added 9/21/2026
  • US8758418
    0 cases1/8 sections

    I'll search for information on this specific patent number in the USPTO database and any CAFC litigation records. The initial searches returned no results. Let me try additional search variations. I have gathered sufficient authoritative…

    View full analysis →added 8/27/2026
  • US8784180
    0 cases1/8 sections

    Patent Overview — US 8,784,180 B2 Title: System and Method for Play of a Network-Based Lottery Game Patent number / kind code: US8784180B2 Application number: US13/485,483 Inventor: Edward J. Stanek Original assignee: Scientific Games…

    View full analysis →added 9/23/2026
  • US8784434
    0 cases1/8 sections

    Patent Overview — US 8,784,434 B2 Title: "Methods and apparatus for treating embolism" Patent number / application: US 8,784,434 B2; Application No. US 13/843,742; published as US 2014/0155908 A1. Inventors: Robert F. Rosenbluth, Brian J…

    View full analysis →added 9/23/2026
  • US8786428
    0 cases1/8 sections

    Patent Overview — US8786428B2 Title: Track worker safety information system and method Patent number / application: US8786428B2; application US13/097,403; earlier publication US20110278401A1. Assignee: Original assignee Bombardier…

    View full analysis →added 9/24/2026
  • US8789135
    0 cases1/8 sections

    Patent Overview: US 8,789,135 B1 Title: Scalable stateful firewall design in openflow based networks Patent Number: US 8,789,135 B1 Inventor: Ayaskant Pani Assignee: Google LLC (originally Google Inc.; assignment to Google Inc. recorded…

    View full analysis →added 9/23/2026
  • US8797198
    0 cases1/8 sections

    Patent Overview — US8797198B2 Title: Linearized optical digital-to-analog modulator Patent number: US8797198B2 Application number: US13/280,371 Inventor(s): Yossef Ehrlichman, Ofer Amrani, Shlomo Ruschin Original/current assignee (as…

    View full analysis →added 9/23/2026
  • US8806638
    0 cases1/8 sections

    Patent Overview: US8806638B1 Title: Systems and methods for protecting networks from infected computing devices Patent number: US8806638B1 Application number: US12/965,075 Inventor: SivaShakthivel Mani Original assignee: Symantec…

    View full analysis →added 9/21/2026
  • US8817103
    0 cases1/8 sections

    Patent Overview — US 8,817,103 B2 Title: System and method for video image registration in a heads up display Patent number: US8817103B2 | Application number: US12/843,842 | Publication: US20100289724A1 Inventors: John Richard Scales; Mark…

    View full analysis →added 9/23/2026
  • US8817904
    0 cases1/8 sections

    Patent Overview — US8817904B2 Title: Method for selecting a precoding matrix in a multiple input multiple output ("MIMO") system Patent number / application: US8817904B2; Application US13/520,028; earlier publication US20130003812A1…

    View full analysis →added 9/21/2026
  • US8818276
    0 cases1/8 sections

    Patent Overview: US8818276B2 Title: Method, apparatus, and computer program product for controlling network access to guest apparatus based on presence of hosting apparatus Patent Number: US8818276B2 | Application No.: US13/472,638 |…

    View full analysis →added 9/23/2026
  • US8823272
    0 cases1/8 sections

    Patent Overview — US 8823272 B2 Title: Emergency lighting systems including bidirectional booster/charger circuits Patent number / application: US 8823272 B2; Application US 13/466,324; also published as US 20130147376 A1. Inventors: John…

    View full analysis →added 9/23/2026