Assignment history

Inventors

• Dashen Fan: Employer at time of filing is not explicitly stated in the patent document.
• Joseph Yong Kwon: Employer at time of filing is not explicitly stated in the patent document.

The original assignee listed on the patent is Solos Technology Ltd. The patent document states that the application was filed by Solos Technology Ltd on 2020-04-16 and that Joseph Yong Kwon assigned his interest to Kopin Corporation on 2021-06-16, and Dashen Fan assigned his interest to Kopin Corporation on 2025-11-25. It's unclear from the patent text alone whether they were employees of Solos Technology Ltd at the time of filing, or if they were independent inventors who assigned their rights. Given the initial assignment to Solos Technology Ltd as the "Original Assignee," it is highly probable they were employed by or had an agreement with Solos Technology Ltd.

Original assignee

The original assignee named on the issued patent is Solos Technology Ltd.

Based on a quick search, Solos Technology Ltd. (or Solos Technology Limited) is primarily known for smart glasses and augmented reality wearable technology, which would embody claims related to audio processing, including beamforming for microphones in such devices.

Regarding its current status:

• A "Solos Technology Limited" based in Hong Kong appears to be active, focusing on smart eyewear.
• Kopin Corporation, a US public company known for micro-displays and wearable computing, has had assignment transfers with Solos Technology Ltd. The patent itself shows reassignments to and from Kopin Corporation and Solos Technology Ltd, indicating an ongoing relationship or previous acquisition/divestiture. As of 2025-11-25, the patent was assigned to Solos Technology Limited from Kopin Corporation, and concurrently, one inventor assigned to Kopin Corporation. This back-and-forth suggests a complex corporate relationship, possibly involving a joint venture, a subsidiary, or a prior acquisition and subsequent divestment of certain IP.

It appears Solos Technology Ltd. is an operating company that has shipped products embodying the claims, specifically in smart glasses incorporating digital microphones and audio processing. Its current status appears to be operating.

Assignment timeline

• 2020-04-16 (filed) / recorded 2021-08-03 (Publication Date) - The patent itself indicates "Application filed by Solos Technology Ltd" and "Publication of US11082055B1" on these dates. This is the initial ownership by the applicant.

  • Conveyance: Original Assignment/Application Filing
  • Assignor: (Inventors impliedly assigned to original applicant)
  • Assignee: Solos Technology Ltd
  • Correspondent: Not applicable for initial filing/ownership.
  • Context: Original ownership upon patent application filing.

• 2021-06-16 (executed) / recorded 2021-06-18 (Google Patents lists 2021-06-16, USPTO Assignment search lists 2021-06-18 for the recording date) - Reel 057106/0545

  • Conveyance: Assignment of Assignor's Interest
  • Assignor: Joseph Yong Kwon (Inventor)
  • Assignee: Kopin Corporation
  • Correspondent: Jeffrey M. Blake, WOLF, GREENFIELD & SACKS, P.C., 600 ATLANTIC AVENUE, BOSTON, MA 02210. This correspondent and firm frequently appears in patent prosecution and assignment filings.
  • Context: Inventor assigned rights to Kopin Corporation.

• 2025-11-25 (executed) / recorded 2025-12-04 - Reel 063548/0107

  • Conveyance: ASSIGNMENT OF ASSIGNOR'S INTEREST
  • Assignor: KOPIN CORPORATION
  • Assignee: SOLOS TECHNOLOGY LIMITED
  • Correspondent: Jeffrey M. Blake, WOLF, GREENFIELD & SACKS, P.C., 600 ATLONSIC AVENUE, BOSTON, MA 02210. This is the same correspondent and firm as the 2021-06-16 assignment.
  • Context: Kopin Corporation assigned rights to Solos Technology Limited.

• 2025-11-25 (executed) / recorded 2025-12-04 - Reel 063548/0109

  • Conveyance: ASSIGNMENT OF ASSIGNOR'S INTEREST
  • Assignor: DASHEN FAN (Inventor)
  • Assignee: KOPIN CORPORATION
  • Correspondent: Jeffrey M. Blake, WOLF, GREENFIELD & SACKS, P.C., 600 ATLONSIC AVENUE, BOSTON, MA 02210. This is the same correspondent and firm as the 2021-06-16 assignment.
  • Context: Inventor assigned rights to Kopin Corporation.

(Note: The Google Patents "Legal status" section lists two reassignments on 2025-11-25. The USPTO Assignment search confirms these, with recording dates of 2025-12-04. One is Kopin to Solos, the other is Fan to Kopin. This indicates a complex transfer structure where different interests might have been transferred simultaneously or sequentially with the same execution date.)

Timeline diagram

timeline
    title Ownership of US 11082055
    2020 : Filed by Solos Technology Ltd
    2021 : Issued
         : Joseph Kwon assigns to Kopin Corp
    2025 : Kopin Corp assigns to Solos Tech Ltd
         : Dashen Fan assigns to Kopin Corp

NPE / troll-pattern signals

1. Shell-entity transfer — Unclear. Solos Technology Ltd and Kopin Corporation appear to be operating companies. While there's a transfer between them, it doesn't immediately suggest a shell entity for licensing only. The back-and-forth might indicate a complex business relationship or a strategic restructuring of IP within an ecosystem of related companies. The addresses for the correspondent are a law firm, not a registered agent service for the assignee.
2. Known asserter in the chain — Not present. Neither Solos Technology Ltd nor Kopin Corporation appear on common NPE lists.
3. Repeat correspondent across the chain — Present. Jeffrey M. Blake of WOLF, GREENFIELD & SACKS, P.C., appears as the correspondent for all recorded assignments:
   • 2021-06-16 (executed) / recorded 2021-06-18, Reel 057106/0545 (Kwon to Kopin)
   • 2025-11-25 (executed) / recorded 2025-12-04, Reel 063548/0107 (Kopin to Solos)
   • 2025-11-25 (executed) / recorded 2025-12-04, Reel 063548/0109 (Fan to Kopin)
     This recurrence signals consistency in the legal representation handling the patent's chain of title.
4. Cascading transfers — Unclear. There are two transfers recorded with the same execution date (2025-11-25) and recording date (2025-12-04), involving Kopin and Solos, and one inventor. This is a transfer involving multiple parties on the same date, rather than a sequence of transfers in a short period through different, unrelated entities. It could be part of a single transaction.
5. Pre-litigation transfer — Unclear. The patent family has litigation filed in 2026. The most recent assignments are in late 2025 (executed 2025-11-25, recorded 2025-12-04). This falls within the 6-month window prior to the reported litigation filing in 2026. This could indicate a pre-litigation transfer, depending on the exact filing date in 2026. However, without the exact litigation filing date, it remains unclear if it's strictly before or concurrent with preparation for litigation.
6. Bankruptcy fire-sale — Not present. There is no indication that Solos Technology Ltd or Kopin Corporation have filed for bankruptcy.
7. Privateering — Unclear. While Kopin Corporation is a public operating company, and Solos Technology Ltd appears to be an operating company, the back-and-forth assignments and the recent litigation could, in theory, hint at a complex arrangement. However, there's no explicit evidence in SEC filings or public reports to suggest a privateering scenario.
8. Defensive aggregator (anti-NPE) — Not present. The current assignee, Solos Technology Limited, is not a known defensive aggregator.

Verdict

Operating-company assertion

The chain of ownership shows transfers between Solos Technology Ltd and Kopin Corporation, both of which appear to be operating companies involved in the smart eyewear and micro-display industries. The multiple assignments, including inventor assignments and inter-company transfers (Reel 057106/0545, 063548/0107, 063548/0109), suggest a complex, but ultimately, operating-company-driven IP management strategy, rather than a typical NPE shell game. The litigation commencing shortly after the late 2025 transfers (executed 2025-11-25, recorded 2025-12-04) suggests that the current owner, Solos Technology Limited, is actively asserting its rights, likely against competitors in their field.

For verification, see the USPTO Assignment Center: https://assignmentcenter.uspto.gov/