USPTO trademark

STACKS

Under examinationUSPTOWord markClass 41Class 42

"STACKS" is a word mark owned by Calli LLC, filed at the USPTO on May 6, 2026. It is under examination and covers classes 41 and 42.

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Official USPTO record
STACKS trademark as filed
As filed with the USPTO
Status
Under examination
Since September 15, 2026
Filed
May 6, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99807670
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns STACKS

The owner and representative on file with the office.

Owner

Calli LLC

Raleigh, United States

Representative

Randy Whitmeyer

Morningstar Law Group

Goods and services

What the mark covers

The products and services STACKS is filed for, grouped by Nice class.

  • Entertainment services, namely, providing an online platform featuring curated book and publishing recommendations; online book discovery services featuring curated reading lists and collections; providing a website and online platform featuring non-downloadable content in the field of books, reading, and literary entertainment; entertainment services in the nature of an online community for readers and book enthusiasts; providing online non-downloadable content featuring book and publishing information curated by influencers and content creators; online entertainment services featuring digital content drops in the field of books and literary media

  • Software as a service (SaaS) featuring software for book discovery and reader engagement; providing a web-based platform for curated digital content and reader rewards programs in the field of books and publishing; software as a service (SaaS) featuring software for managing influencer-curated digital content and virtual rewards programs; providing online non-downloadable software for connecting readers with curated book content and literary influencers; white-label software as a service (SaaS) platform for publishers and content creators featuring book discovery, reader engagement, and digital rewards programs

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application extension granted/receipt provided
  2. Application extension to response period - received
  3. Notification of non-final action e-mailed
  4. Non-final action e-mailed
  5. Non-final action written
  6. Assigned to examiner
  7. New application office supplied data entered
  8. Application filing receipt mailed
  9. New application entered
FAQ

About STACKS

Who owns the trademark "STACKS"?

The USPTO trademark "STACKS" (application 99807670) is owned by Calli LLC.

What is the status of "STACKS"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull STACKS and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019e28e5-0468-74bc-bd07-019da8b4657c
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e28e5-0468-74bc-bd07-019da8b4657c",
  "object": "trademark",
  "mark_text": "STACKS",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "99807670",
  "filing_date": "2026-05-06",
  "nice_classes": [
    41,
    42
  ],
  "owners": [
    {
      "name": "CALLI LLC",
      "entity_id": null
    }
  ]
}