USPTO trademark

CAIDOU

Under examinationUSPTOWord markClass 26

"CAIDOU" is a word mark owned by Nanjingcaidoushouzuowenhuayouxiangongsi, filed at the USPTO on September 10, 2026. It is under examination and covers class 26 (Fancy Goods).

Get this data via the API
Official USPTO record
CAIDOU trademark as filed
As filed with the USPTO
Status
Under examination
Since September 10, 2026
Filed
September 10, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50100324
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns CAIDOU

The owner and representative on file with the office.

Owner

Nanjingcaidoushouzuowenhuayouxiangongsi

Nanjing, China

Representative

Letao Qin

Pierson Ferdinand LLP

Goods and services

What the mark covers

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

  • Crochet hooks; Crochet needles; Knitting needles; Hand-knitting needles; Knitting implements, namely, stitch markers; Cellular phone accessory charms; Decorative charms for cellular phones; Purse charms; Charms for athletic bags; Decorative backpack charms; Crochet kits comprised primarily of crochet hooks and also including yarn and crochet patterns; Knitting kits comprised primarily of knitting needles and also including yarn and printed knitting patterns; Rubber point protectors for knitting needles; Novelty buttons

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application entered
FAQ

About CAIDOU

Who owns the trademark "CAIDOU"?

The USPTO trademark "CAIDOU" (application 50100324) is owned by Nanjingcaidoushouzuowenhuayouxiangongsi.

What is the status of "CAIDOU"?

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 CAIDOU 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_01a09097-5e3b-703d-afec-46158fe98ba9
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a09097-5e3b-703d-afec-46158fe98ba9",
  "object": "trademark",
  "mark_text": "CAIDOU",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50100324",
  "filing_date": "2026-09-10",
  "nice_classes": [
    26
  ],
  "owners": [
    {
      "name": "NANJINGCAIDOUSHOUZUOWENHUAYOUXIANGONGSI",
      "entity_id": null
    }
  ]
}