When is the deadline?

31 months from the earliest priority date. With a translation extension request, the translation can follow by 32 months.

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.

What if the deadline has passed?

Submit the order anyway and mention it in the notes. Restoration may still be possible; we will contact you the same day.

Is an English translation enough?

No. The description, claims and drawing text must be filed in Korean. We prepare the Korean translation from the published PCT application and you can review it before filing. How the Korean translation works.

When must examination be requested?

Within 3 years of the international filing date. We can request it at entry or later — requesting it later spreads the cost, requesting it at entry gets an earlier decision.

Can examination be accelerated?

Yes. Korea takes part in the Patent Prosecution Highway: with allowable claims from another office, examination is usually much faster. PPH 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.

How much does the national phase cost?

The order form shows the full quote — our fees, translation and KIPO official fees — before you submit. Korean patent fees 2026 lists the official fees.

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

Korean national phase entry online (PCT)

1 Documents

Start here: upload the PCT publication (PDF) or the application as filed (Word). We read it in your browser and fill in the application details, claims and word count for you. No file to hand? Skip this step and fill in the form below.

Upload filesAlso add amended claims and Article 19/34 amendments if any. Up to 5 files, 17 MB in total; larger files can be emailed after ordering.

2 PCT application

Right sought in Korea *

PCT application number *Format PCT/CC2025/012345

International filing date *

Earliest priority dateLeave empty if no priority is claimed

Number of priority claims

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 *

International search / preliminary examination by

4 Options and notes File the examination request at entryCan be filed later, up to 3 years from the international filing date. Expedited examinationRequires the examination request. Korean law allows it only on specific grounds — choose yours below. Amend the claims at entrySend the amended claims with your documents. One-month translation extensionFile now in the original language (foreign-language filing fee) and submit the Korean translation within one month, by 32 months from priority.

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.

Track this order View invoice

Bookmark the tracking link — it is private to you and is also in the email. All your orders are also listed under My orders.

Questions about the Korean national phase

When is the deadline?: 31 months from the earliest priority date. With a translation extension request, the translation can follow by 32 months.
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.
What if the deadline has passed?: Submit the order anyway and mention it in the notes. Restoration may still be possible; we will contact you the same day.
Is an English translation enough?: No. The description, claims and drawing text must be filed in Korean. We prepare the Korean translation from the published PCT application and you can review it before filing. How the Korean translation works.
When must examination be requested?: Within 3 years of the international filing date. We can request it at entry or later — requesting it later spreads the cost, requesting it at entry gets an earlier decision.
Can examination be accelerated?: Yes. Korea takes part in the Patent Prosecution Highway: with allowable claims from another office, examination is usually much faster. PPH 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.
How much does the national phase cost?: The order form shows the full quote — our fees, translation and KIPO official fees — before you submit. Korean patent fees 2026 lists the official fees.
Who handles my case?: Registered Korean patent attorneys at LNB IP LAW FIRM, Seoul. Questions: lnbip@lnbip.com.

Guides: PCT national phase in Korea · Korean patent fees 2026 · Korean translation for PCT entry · PPH in Korea

Enter the Korean national phase online

Questions about the Korean national phase