EISAI
"EISAI" is a word and design mark owned by Eisai R&D Management Co., Ltd., filed at the USPTO on November 6, 2023. It is registered and covers classes 5, 9, 42 and 44.
- Status
- Registered
- Since August 5, 2025
- Filed
- November 6, 2023
- Registered
- August 5, 2025
- Expires
- Not recorded
- Application no.
- 98256766
- Registration no.
- 7877658
- Office
- USPTO
- United States Patent and Trademark Office
- Mark type
- Word and design
- 4 classes
Who owns EISAI
The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.
Owner
Eisai R&D Management Co., Ltd.
Tokyo, Japan
Representative
Caroline H. Mead
Squire Patton Boggs (Us) LLP
What the mark covers
The products and services EISAI is filed for, grouped by Nice class.
Pharmaceuticals for treatment of oncological diseases, cancer, and tumors; pharmaceuticals for treatment of neurological diseases, Alzheimer's Disease, cognitive impairment, dementia, and epilepsy; pharmaceuticals for treatment of insomnia and other sleep disorders
Downloadable mobile applications and computer software for providing information on health and wellness; Downloadable mobile applications and computer software for analyzing and evaluation of cognitive functions; Downloadable mobile applications and computer software for recording, storing and transmitting personal information, health management data, daily life data and medical data; Downloadable mobile applications and computer software for electronical interaction between doctors, medical care centers, healthcare professionals and patients; Downloadable mobile applications and computer software for patient monitoring and compliance management; Downloadable mobile applications and computer software for supporting patients and their care partners; Downloadable electronic publications in the nature of booklets, workbooks, guides, pamphlets or brochures in the field of health and wellness; Downloadable electronic publications in the nature of booklets, workbooks, guides, pamphlets or brochures in the field of neurology, Alzheimer's disease and related disorders, cognitive impairment and dementia; Downloadable electronic publications in the nature of booklets, workbooks, guides, pamphlets or brochures in the field of oncology; Downloadable electronic publications in the nature of booklets, workbooks, guides, pamphlets or brochures in the field of insomnia and other sleep disorders
Providing online non-downloadable computer programs on data networks for human health care; Providing online non-downloadable computer programs for analyzing and evaluation of cognitive functions; Providing online non-downloadable computer programs on data networks for recording, storing and transmitting personal information, health management data, daily life data and medical data; Providing online non-downloadable computer programs on data networks for electronical interaction between doctors, medical care centers, healthcare professionals and patients; Providing online non-downloadable computer programs on data networks for patient monitoring and compliance management; Providing online non-downloadable computer programs on data networks for supporting patients and their care partners; Scientific research, technological research, digital science research and medical research in the field of oncology, neurology, insomnia, and digital science-based solutions for predicting, protecting and promoting brain health
Providing healthcare and medical information; Providing information in the fields of health and wellness; Providing medical and health care information and medical advice in connection with patients and relatives support and follow-up programs; Providing medical information and health care information and advice to improve understanding about pharmaceuticals and medical treatments by health care providers, patients, patients' families and hospitals; Providing medical information, health care information and medical advice to cope with the associated symptoms of diseases in the field of oncology, neurology and immunology; Consultancy and information services relating to medical products
What has happened so far
Steps recorded by the USPTO, newest first.
- Notice of registration confirmation emailed
- Registered-principal register
- 1(b) basis deleted; proceed to registration
- Applicant/correspondence changes (non-responsive) entered
- Teas post publication amendment received
- Reinstatement granted - inadvertently abandoned
- Abandonment notice e-mailed - no use statement filed
- Abandonment - no use statement filed
- Case assigned to intent to use paralegal
- Notice of allowance cancelled
10 earlier steps on the official record.
About EISAI
Who owns the trademark "EISAI"?
The USPTO trademark "EISAI" (application 98256766) is owned by Eisai R&D Management Co., Ltd.
What is the status of "EISAI"?
Its status at the USPTO is: registered.
When was "EISAI" registered?
It was registered on August 5, 2025.
Get this data via the API
Everything on this page comes from the Signa API. Pull EISAI 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}/eventsEvery step in the office history
GET/v1/proceedings?trademark_id={id}Oppositions and cancellations against the mark
ID=tm_019d2c44-ccea-73c1-8b76-c7aeb8905a3e
curl https://api.signa.so/v1/trademarks/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"{
"id": "tm_019d2c44-ccea-73c1-8b76-c7aeb8905a3e",
"object": "trademark",
"mark_text": "EISAI",
"status": {
"primary": "active",
"stage": "registered"
},
"office_code": "US",
"application_number": "98256766",
"filing_date": "2023-11-06",
"nice_classes": [
5,
9,
42,
44
],
"owners": [
{
"name": "Eisai R&D Management Co., Ltd.",
"entity_id": "ent_019eb74c-009f-773e-be98-bc07d08b0573"
}
]
}