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Korean Patent Portfolio Management: Controls, Deadlines, and Costs

Pine IP Firm
August 25, 2026

A Korean patent portfolio requires a single control record for legal deadlines, internal decisions, projected costs, ownership data, and related foreign cases. Local counsel and the patent owner should maintain independent records and reconcile them regularly.

Patent portfolio planning documents and laptop on an office desk

Portfolio control record

Each Korean application or patent should be tracked through the following stages.

Stage Required control
Paris Convention or PCT entry Confirm Korean commercial relevance, the applicable entry deadline, and the final source text.
Translation and filing Verify bibliographic data, priority claims, applicants, inventors, claims, and drawings before filing.
Examination request Record the statutory deadline and decide whether to request ordinary or expedited examination.
Office action Define the required claim scope, available amendments, evidence, and any need for an examiner interview.
Final rejection Evaluate reexamination, appeal, a divisional application, and abandonment before the applicable deadline.
Allowance and grant Approve registration and the initial annual fees after reviewing the allowed claims and commercial value.
Annuity Review whether the patent continues to support products, licensing, enforcement, or transaction value.

Principal deadlines

The following dates usually require central docket control:

  • A Paris Convention application is generally due within 12 months from the earliest priority filing.
  • The Korean national phase of a PCT application is generally due within 31 months from the priority date.
  • A request for examination is generally due within three years from the application date. For a PCT application, the international filing date is used.
  • An office action response is due within the period designated in the Ministry of Intellectual Property notice, subject to the extension rules applicable to that notice.
  • Reexamination or appeal following a final rejection is due within the statutory period stated in the decision.
  • Registration and the initial annual fees are due within the period stated in the grant decision or related notice.
  • Later annual fees are tracked by patent year. Any late-payment period should be treated as a safeguard, not as the ordinary due date.

The precise date depends on the application type, filing date, official notice, and procedural history. The WIPO PCT Applicant’s Guide for Korea describes the national-phase and examination-request framework. The current statute and the official notice should be checked for each matter.

Legal and business docket fields

The legal docket should record the official due date, extension availability, case status, and evidence of completion. The business docket should record the internal instruction date, responsible business unit, commercial relevance, approved budget, and decision status.

An office action may have an official response date several months away, while the internal instruction date may need to be much earlier to obtain inventor comments, coordinate foreign family positions, prepare a translation, and secure approval.

Each critical event should include:

  • the official source and date of receipt;
  • the statutory or designated deadline;
  • the internal instruction deadline and escalation dates;
  • the responsible internal and external personnel;
  • the status of instructions and required documents;
  • extension availability and cost; and
  • the filing receipt or other evidence of completion.

Event-based cost forecast

Annual budgets should distinguish scheduled events from contingent events. Filing, examination requests, registration, and annual fees can usually be forecast by quarter. Office actions, interviews, divisionals, and appeals require a separate contingency estimate.

The Ministry’s published fee schedule shows that certain examination and annual fees depend on claim count and that annual fees increase during the patent term. Claim amendments and portfolio pruning therefore affect future official fees as well as current prosecution costs.

Reports should state costs in Korean won and in the company’s reporting currency, together with the exchange rate used. This separates exchange-rate movement from changes in legal spending.

Portfolio reporting

A monthly matter report should contain the information needed for an instruction or budget decision:

  • matter and family identifiers;
  • application or patent number;
  • title and responsible business unit;
  • applicant or owner of record;
  • current status and latest event;
  • the next official deadline and internal instruction date;
  • the required action and counsel’s recommendation;
  • forecast professional and official fees;
  • the patent year and next annual-fee date; and
  • any unresolved ownership, bibliographic, or document issue.

A quarterly management report may summarize filings, grants, abandonments, average spend, budget variance, pending office actions, annual-fee decisions, and deadlines requiring escalation. Case volume should be reported together with prosecution quality and commercial relevance.

Record reconciliation

Local-counsel records, the corporate IP system, and public Ministry data available through KIPRIS should be compared periodically. The reconciliation should cover application numbers, applicants, inventors, priority claims, status, representatives, deadlines, and annual-fee responsibility.

Public database records may be delayed and do not replace official communications or counsel’s docket. A correctly formatted date in a portfolio system is not reliable until its source has been checked.

Approval and responsibility controls

Abandonment, withdrawal, loss of priority, a missed examination request, nonpayment of registration fees, and lapse should require documented authority. Standing instructions for routine work should specify approval limits and escalation procedures when the responsible business owner does not respond.

If local counsel, an annual-fee service provider, and an internal operations team divide responsibility, the allocation should be recorded in writing. Each event should have one identified owner and a separate verification record.

Related Korean IP guidance

Legal and editorial review: July 16, 2026. Korea’s current patent authority is the Ministry of Intellectual Property (MOIP), formerly KIPO.

This article provides general information and does not constitute legal advice. Korean law and Ministry practice may change, and the appropriate approach depends on the facts of each matter.