Patent 8060644

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

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Ownership chain (10)

Asserters network →

Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.

  1. 2007-05-11 · reel 019316/0698 · Assignment

    Felix A. Marti, Asgeir Thor Eiriksson, Dimitrios Michailidis, Wael NoureddineCHELSIO COMMUNICATIONS, INC.

    Correspondent: · BLAKELY, SOKOLOFF, TAYLOR & ZAFMAN

    Original assignment from inventors to the employing company

  2. 2013-05-09 · recorded 2013-05-16 · reel 030109/0644 · Security Agreement

    CHELSIO COMMUNICATIONS, INC.EAST WEST BANK

    Correspondent: WILLIAM S. MCCOMISH

    Transfer of security interest in patent as collateral for a loan

  3. 2014-10-21 · recorded 2014-10-29 · reel 032225/0859 · Release By Secured Party

    EAST WEST BANKCHELSIO COMMUNICATIONS, INC.

    Correspondent: WILLIAM S. MCCOMISH

    Release of security interest from East West Bank to Chelsio Communications, Inc.

  4. 2014-10-21 · recorded 2014-10-29 · reel 032225/0861 · Security Interest

    CHELSIO COMMUNICATIONS, INC.SILICON VALLEY BANK

    Correspondent: WILLIAM S. MCCOMISH

    Transfer of security interest in patent as collateral for a loan

  5. 2016-07-15 · recorded 2016-07-25 · reel 035970/0674 · Release By Secured Party

    EAST WEST BANKCHELSIO COMMUNICATIONS, INC.

    Correspondent: WILLIAM S. MCCOMISH

    Release of security interest from East West Bank to Chelsio Communications, Inc.

  6. 2016-07-29 · recorded 2016-08-03 · reel 036040/0174 · Security Interest

    CHELSIO COMMUNICATIONS, INC.NOVIRIAN CAPITAL

    Correspondent: KENNETH A. JOHNSON · KENNETH A. JOHNSON

    Transfer of security interest in patent as collateral for a loan

  7. 2017-04-25 · recorded 2017-05-02 · reel 037748/0023 · Release By Secured Party

    NOVIRIAN CAPITALCHELSIO COMMUNICATIONS, INC.

    Correspondent: KENNETH A. JOHNSON · KENNETH A. JOHNSON

    Release of security interest from Novirian Capital to Chelsio Communications, Inc.

  8. 2019-08-14 · recorded 2019-08-20 · reel 047648/0104 · Security Interest

    CHELSIO COMMUNICATIONS, INC.WESTERN ALLIANCE BANK, AN ARIZONA CORPORATION

    Correspondent: JOHN R. SWAIN · FISH & RICHARDSON

    Transfer of security interest in patent as collateral for a loan

  9. 2019-08-15 · recorded 2019-08-20 · reel 047648/0102 · Corrective Assignment

    CHELSIO COMMUNICATIONS, INC.WESTERN ALLIANCE BANK, AN ARIZONA CORPORATION

    Correspondent: JOHN R. SWAIN · FISH & RICHARDSON

    Corrective assignment to correct an incorrect date on a previous intellectual property security agreement

  10. 2025-12-18 · recorded 2026-01-09 · reel 060939/0401 · Release of Security Interest

    WESTERN ALLIANCE BANK, AN ARIZONA CORPORATIONCHELSIO COMMUNICATIONS, INC.

    Correspondent: WILLIAM S. MCCOMISH

    Release of security interest from Western Alliance Bank to Chelsio Communications, Inc.

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

✓ Generated

Inventors

  • Dimitrios Michailidis: Chelsio Communications, Inc.
  • Wael Noureddine: Chelsio Communications, Inc.
  • Felix A. Marti: Chelsio Communications, Inc.
  • Asgeir Thor Eiriksson: Chelsio Communications, Inc.

No unusual patterns were determinable from the provided information regarding inventor departures.

Original assignee

Chelsio Communications, Inc. is the original assignee. Chelsio Communications designs and manufactures high-performance Ethernet network adapters and ASICs for servers, storage systems, and data centers. As of May 31, 2026, Chelsio Communications, Inc. appears to be an active, operating company.

Assignment timeline

  • 2007-05-11 (executed) / recorded 2007-05-11 — Reel 019316/0698
    • Conveyance: Assignment
    • Assignor: Felix A. Marti, Asgeir Thor Eiriksson, Dimitrios Michailidis, Wael Noureddine
    • Assignee: CHELSIO COMMUNICATIONS, INC.
    • Correspondent: BLAKELY, SOKOLOFF, TAYLOR & ZAFMAN LLP, 12400 WILSHIRE BOULEVARD, 7TH FLOOR, LOS ANGELES, CA 90025.
    • Context: Original assignment from inventors to the employing company.
  • 2013-05-09 (executed) / recorded 2013-05-16 — Reel 030109/0644
    • Conveyance: Security Agreement
    • Assignor: CHELSIO COMMUNICATIONS, INC.
    • Assignee: EAST WEST BANK
    • Correspondent: WILLIAM S. MCCOMISH, BOSTON, MA
    • Context: Transfer of security interest in patent as collateral for a loan.
  • 2014-10-21 (executed) / recorded 2014-10-29 — Reel 032225/0859
    • Conveyance: Release By Secured Party
    • Assignor: EAST WEST BANK
    • Assignee: CHELSIO COMMUNICATIONS, INC.
    • Correspondent: WILLIAM S. MCCOMISH, BOSTON, MA. This correspondent also appears on reel 030109/0644 for the same parties.
    • Context: Release of security interest from East West Bank to Chelsio Communications, Inc.
  • 2014-10-21 (executed) / recorded 2014-10-29 — Reel 032225/0861
    • Conveyance: Security Interest
    • Assignor: CHELSIO COMMUNICATIONS, INC.
    • Assignee: SILICON VALLEY BANK
    • Correspondent: WILLIAM S. MCCOMISH, BOSTON, MA. This correspondent also appears on reel 030109/0644 and 032225/0859 for related parties.
    • Context: Transfer of security interest in patent as collateral for a loan.
  • 2016-07-15 (executed) / recorded 2016-07-25 — Reel 035970/0674
    • Conveyance: Release By Secured Party
    • Assignor: EAST WEST BANK
    • Assignee: CHELSIO COMMUNICATIONS, INC.
    • Correspondent: WILLIAM S. MCCOMISH, BOSTON, MA. This correspondent also appears on reels 030109/0644, 032225/0859, and 032225/0861 for related parties.
    • Context: Release of security interest from East West Bank to Chelsio Communications, Inc.
  • 2016-07-29 (executed) / recorded 2016-08-03 — Reel 036040/0174
    • Conveyance: Security Interest
    • Assignor: CHELSIO COMMUNICATIONS, INC.
    • Assignee: NOVIRIAN CAPITAL
    • Correspondent: KENNETH A. JOHNSON, LAW OFFICES OF KENNETH A. JOHNSON, 25700 VENTURA BLVD, SUITE 245, WOODLAND HILLS, CA 91364.
    • Context: Transfer of security interest in patent as collateral for a loan.
  • 2017-04-25 (executed) / recorded 2017-05-02 — Reel 037748/0023
    • Conveyance: Release By Secured Party
    • Assignor: NOVIRIAN CAPITAL
    • Assignee: CHELSIO COMMUNICATIONS, INC.
    • Correspondent: KENNETH A. JOHNSON, LAW OFFICES OF KENNETH A. JOHNSON, 25700 VENTURA BLVD, SUITE 245, WOODLAND HILLS, CA 91364. This correspondent also appears on reel 036040/0174 for the same parties.
    • Context: Release of security interest from Novirian Capital to Chelsio Communications, Inc.
  • 2019-08-14 (executed) / recorded 2019-08-20 — Reel 047648/0104
    • Conveyance: Security Interest
    • Assignor: CHELSIO COMMUNICATIONS, INC.
    • Assignee: WESTERN ALLIANCE BANK, AN ARIZONA CORPORATION
    • Correspondent: JOHN R. SWAIN, FISH & RICHARDSON P.C., P.O. BOX 11109, MINNEAPOLIS, MN 55411.
    • Context: Transfer of security interest in patent as collateral for a loan.
  • 2019-08-15 (executed) / recorded 2019-08-20 — Reel 047648/0102
    • Conveyance: Corrective Assignment
    • Assignor: CHELSIO COMMUNICATIONS, INC.
    • Assignee: WESTERN ALLIANCE BANK, AN ARIZONA CORPORATION
    • Correspondent: JOHN R. SWAIN, FISH & RICHARDSON P.C., P.O. BOX 11109, MINNEAPOLIS, MN 55411. This correspondent also appears on reel 047648/0104 for the same parties.
    • Context: Corrective assignment to correct an incorrect date on a previous intellectual property security agreement.
  • 2025-12-18 (executed) / recorded 2026-01-09 — Reel 060939/0401
    • Conveyance: Release of Security Interest
    • Assignor: WESTERN ALLIANCE BANK, AN ARIZONA CORPORATION
    • Assignee: CHELSIO COMMUNICATIONS, INC.
    • Correspondent: WILLIAM S. MCCOMISH, BOSTON, MA. This correspondent also appears on reels 030109/0644, 032225/0859, 032225/0861, and 035970/0674 for related parties.
    • Context: Release of security interest from Western Alliance Bank to Chelsio Communications, Inc.

Timeline diagram

timeline
    title Ownership of US 8060644
    2007 : Filed by Chelsio Communications Inc
    2011 : Issued
    2013 : Securitized to East West Bank
    2014 : East West Bank security released
         : Securitized to Silicon Valley Bank
    2016 : East West Bank security released
         : Securitized to Novirian Capital
    2017 : Novirian Capital security released
    2019 : Securitized to Western Alliance Bank
         : Corrective assignment
    2026 : Western Alliance Bank released

NPE / troll-pattern signals

  1. Shell-entity transfer — Not present. The patent has consistently remained with Chelsio Communications, Inc., an operating company. All transfers are related to security agreements with banks or financial institutions.
  2. Known asserter in the chain — Not present. None of the assignees (Chelsio Communications, Inc., East West Bank, Silicon Valley Bank, Novirian Capital, Western Alliance Bank) are identified as known NPEs.
  3. Repeat correspondent across the chain — Present. William S. McComish of Boston, MA, appears as the correspondent for multiple security agreements and releases involving Chelsio Communications, Inc. and various banks (East West Bank, Silicon Valley Bank, Western Alliance Bank) across reels 030109/0644, 032225/0859, 032225/0861, 035970/0674, and 060939/0401. Kenneth A. Johnson also appears on two related security interest recordings for Novirian Capital (reels 036040/0174 and 037748/0023).
  4. Cascading transfers — Not present. The transfers are primarily security interests and releases, not consecutive assignments of ownership.
  5. Pre-litigation transfer — Not present. There is no indication of litigation in 2026, and transfers are related to security interests.
  6. Bankruptcy fire-sale — Not present. There is no indication of Chelsio Communications, Inc. filing for bankruptcy.
  7. Privateering — Not present. The patent has remained with the operating company, Chelsio Communications, Inc.
  8. Defensive aggregator (anti-NPE) — Not present. The chain does not terminate at any known defensive aggregators.

Verdict

Insufficient data. While the patent has had multiple security interest assignments and releases, it has consistently remained owned by the original operating company, Chelsio Communications, Inc., since its initial assignment from the inventors. There are no recorded transfers of ownership to any identified non-practicing entities or shell corporations, and no other strong NPE signals are present in the provided assignment records. The repeat correspondent is noteworthy but does not, in isolation, indicate NPE activity given the nature of the conveyances (security interests). [cite: https://assignmentcenter.uspto.gov/patent/index.html]

Generated 5/31/2026, 6:47:56 PM