Deposit Your Resources

Korean Collection for Type Cultures

KCTC provides general, patent, and safety deposit services.

Patent Deposit

Procedures and
delivery addressTitle_Arrow
Title_ArrowMaterials for international deposit

1. One original copy of Request for 'Original Deposit'

- Both the Korean and English forms should be filled out.

2. Patent strain to be deposited

(1) Strains of bacteria, actinomyces, yeasts, and fungi that can be freeze-dried – 10 ampoules or two plate culture samples
(2) Animal cell lines, viruses and DNA that cannot be freeze-dried – 20 cryovials and 4 cryovials with host cells (in case of viruses and bacteriophages)
(3) Fertilized eggs – cryo-vial (300 eggs for a mouse)
(4) Micro-algae – two slant culture samples or two 50 mL conical tubes
(5) Seeds – 2500 or more seeds (germination rate of 70% or higher, fully dried seed packets of 250 seeds each)
(6) Plant culture sample – Two or more callus plates

- - In the case where a special culture method or media (sample) is required, please send it in advance to reduce the time required for issuing of the deposit certificate.
- In the case of a virus or phage, please submit the host cell, the protocol, and the images before and after the infection together.
- In the case of a fertilized egg, please fill out the Fertilized Egg Explanation Form.
- In the case of seeds or plant callus, please attach a KCTC Phytosanitary certificate. Plant seeds received from outside Korea may require an import permit from the Department of Agriculture. A NPQS (National Plant Quarantine Service) performs in vitro testing of seeds to control pests and diseases inflicting harm on plants. In many instances, the NPQS decides a permit. Therefore, attachment of phytosanitary certificate from your country will be helpful for the import of seeds.

3. A copy of the payment receipt

- Please refer to the service fee page (for 30-year storage).
* The attorney’s address should be the address on the patent form, and the name should be the name of the patent attorney in charge.

4. How to receive a bill

- If you need an invoice, please send a request e-mail to (Please mark, 'patent deposit' or 'patent distribution')

Address : 181 Ipsin-gil, Jeongeup-si, Jeollabuk-do 56212, Korea
KCTC Patent Manager Kyuhee Kang

Contact number : +82-63-570-5604
FAX : +82-63-570-5609
E-mail :
  • Step_img1.Submission
  • Step_img2.Review
  • Step_img3.Survival Test
  • Step_img4.Numbering
  • Step_img5.Preservation
  • Step_img6.Issuing of the Certificate of Survival and the
    Certificate of Deposit
STEP1. Submission
Please submit the relevant documents and the resource to be deposited
(by visiting or via mail or e-mail)
STEP2. Review
The deposit documents and the microorganism to be deposited will be reviewed. If the application is rejected, the application may undergo a secondary review after more information is provided.
STEP3. Survival Test
If the deposited microorganism fails to grow or has been polluted, it should be re-deposited.
* According to the regulations of the Korean Intellectual Property Office, the deposited microorganism will not be returned after the review is completed and after the survival test has begun.
* If the microorganism fails to pass the survival test, a notification of deposit rejection is issued.
STEP4. Numbering
If the microorganism passes the survival test, photographs are taken based on the relevant laws.
STEP5. Preservation
A freeze-dried microorganism is stored in a cold chamber or in liquid nitrogen for 30 years.
STEP6. Issuing of the Certificate of Deposit.
A certificate of deposit, including an accession number of the deposited microorganism will be sent to you via mail.
The deposit certificate issued at first may substitute the certificate of survival test for a deposited microorganism.