When is the deadline?

To claim priority, 12 months from the earliest priority date. Without priority there is no fixed deadline, but file before the invention is disclosed — the grace period for prior disclosure is limited.

Do you need a signed power of attorney before filing?

No. We file on your instructions and send you a power of attorney form to sign afterwards.

Can I file in English?

Yes. A foreign-language application secures the filing date; the Korean translation follows within 1 year 2 months from the priority date (or the filing date).

When must examination be requested?

Within 3 years of the Korean filing date. Until then the application stays pending without examination.

I have already disclosed the invention. Can I still file?

Usually yes, if you file within 12 months of your own disclosure and claim the grace period in the application. Tell us the date and form of the disclosure when you order.

Patent or utility model?

A utility model protects devices with a lower inventive-step threshold and lasts 10 years from filing; a patent lasts 20 years. Utility model or patent in Korea.

Do I need a Korean attorney?

Yes, if you have no address or place of business in Korea. Foreign applicants must act through a representative in Korea.

Registered Korean patent attorneys at LNB IP LAW FIRM, Seoul. Questions: lnbip@lnbip.com.

Patent and utility model filing in Korea

1 Documents

Start here: upload the specification to be filed — description, claims, abstract and drawings, ideally as a Word file (PDF also works). We read it in your browser and count the claims and words for the quote. No file to hand? Skip this step and fill in the form below.

Upload filesAdd the priority application if it differs from the text to be filed. Up to 5 files, 17 MB in total; larger files can be emailed after ordering.

2 Application

Right sought in Korea *Official fees differ: a utility model has lower filing and examination fees.

Claim priority under the Paris Convention? * Yes — from an earlier application filed within the last 12 months No — first filing, without priority

Title of the invention *

Applicant(s) * — one row per applicant

Inventor(s) — optional; one row per inventor

Is every applicant an individual who is also named as an inventor? * Yes — every applicant is an individual (natural person) named as an inventor No — a company, university or other organisation, or any applicant who is not an inventor Individual applicants who are also the inventors get 70% off the KIPO application and examination fees, whatever their nationality. Joint applicants qualify only if every one of them is an individual inventor.

Does the applicant already have a KIPO applicant code? * Yes No — please register one Not sure — please check The applicant code (특허고객번호) is KIPO's ID for each applicant. If there is none, we register it before filing at no extra charge.

3 Language and claims

Language of the application *

Word count (description, claims, abstract) *Counted from the document in step 1, or enter it here.

Number of claims at entry *

4 Options and notes File the examination request with the applicationCan be filed later, up to 3 years from the Korean filing date. Expedited examinationRequires the examination request. Korean law allows it only on specific grounds — choose yours below. Adapt the claims before filingFor example to Korean claim format. Send the claims to be filed with your documents. File in English (foreign-language application)Only English is accepted for a foreign-language application in Korea. File now in English (higher official filing fee) and submit the Korean translation within 1 year 2 months from the earliest priority date, or from the filing date if no priority is claimed. With priority, the translation is part of this order; without priority, we translate later on request.

Instructions or notes

5 Your details

Your name *

Email *

Firm or company

Country

Your reference

CC emails

Quoted total —

Order received

We have emailed a confirmation to . A patent attorney will review your instructions and confirm within one business day. Please pay the invoice after our confirmation.

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Questions about filing a patent in Korea

When is the deadline?: To claim priority, 12 months from the earliest priority date. Without priority there is no fixed deadline, but file before the invention is disclosed — the grace period for prior disclosure is limited.
Do you need a signed power of attorney before filing?: No. We file on your instructions and send you a power of attorney form to sign afterwards.
Can I file in English?: Yes. A foreign-language application secures the filing date; the Korean translation follows within 1 year 2 months from the priority date (or the filing date).
When must examination be requested?: Within 3 years of the Korean filing date. Until then the application stays pending without examination.
I have already disclosed the invention. Can I still file?: Usually yes, if you file within 12 months of your own disclosure and claim the grace period in the application. Tell us the date and form of the disclosure when you order.
Patent or utility model?: A utility model protects devices with a lower inventive-step threshold and lasts 10 years from filing; a patent lasts 20 years. Utility model or patent in Korea.
Do I need a Korean attorney?: Yes, if you have no address or place of business in Korea. Foreign applicants must act through a representative in Korea.
Who handles my case?: Registered Korean patent attorneys at LNB IP LAW FIRM, Seoul. Questions: lnbip@lnbip.com.

Guides: Patent filing in Korea (Paris route) · Korean patent fees 2026 · Utility model or patent in Korea · KIPO applicant code

File a patent or utility model in Korea online

Questions about filing a patent in Korea