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  A. General Aspect to Contrary Normal Understandings
   There actually are not very many patent infringement actions involving foreign companies which
   are instituted in Korea. This may be due to actual as well as perceived difficulties in the litigation of
   such actions in a Korean court against Korean companies.
   While it cannot be denied that there has been some tendency to give the benefit of the doubt to
   local parties, the courts are now much better prepared to review the matter more objectively.
   The recent trend in the recognition of intellectual property rights in Korea is very positive.
   For some time, the Korean courts have begun to recognize that these rights, whether held by a
   domestic or a foreign person, must be protected to ensure continued growth and development of
   the Korean economy. Therefore, it can be said with confidence that in most cases, if well-prepared,
   and well-documented, cases of infringement can be easily defended even where the plaintiff is a
   foreign party. In this vein, the interpretation of the scope of claim for patent matters by both the
   Korean Intellectual Property Office and the court is found to be objectively made, regardless of the
   nationalities of the respective parties.
B. Procedure
   1. Investigation
       As a first step, it is required to confirm the information in patentee's possession and to obtain
       more information, if necessary, regarding the infringer's identity, assets, size of infringing
       operations, location, etc. in order to determine the most effective course of action.
   2. Issuance of Warning Letters
       Upon conclusion of the investigation and an analysis thereof, a strongly-worded letter may be
       sent to the infringer. Such a letter may include ordering the infringer to cease and desist the
       infringing activity, demand an accounting thereof and a public apology, along with the surrender
       of all infringing goods by a specified date. A warning letter has, on its own, no legal effect since
       it is meant to merely coerce the infringer in an amicable manner. However, it is recommended that
       a well-drafted warning letter will put the infringer on notice that a patentee will not hesitate to
       take any legal actions against it unless he stops his infringing activities immediately. Furthermore,
       failure to stop the infringing activities after receipt of patentee's warning letter(s) serves the
       purpose of establishing the infringer's negligence and intention to infringe.
       The issuance of a warning letter is an option available to the patentee that is more effective
       against infringers of relatively small scale. In addition, a hastily dispatched warning letter may
       be counter-productive since the infringer, provided it is able to, can simply disappear and
       continue to produce infringing goods from an unknown location, or abandon altogether the
       infringing activity.
   3. Prevention of Infringement
       The patentee does not have to wait for the outcome of a full-blown hearing to obtain cessation of
       the infringing acts since a preliminary injunction is an available speedy remedy in patent
       infringement actions.
       Under the Korean Patent Act (KPA), the remedies available for patent infringement are a
       permanent injunction and a preliminary injunction. A permanent injunction is a final and conclusive
       judgment in favor of a patent right holder, entitling him/her to compensation for damages and
       restoration of reputation. A preliminary injunction is a temporary court order issued to prevent
       further injury to a patent right holder and may be issued before a final and conclusive judgment a
       is rendered. With preliminary injunction, only the cessation of the infringing act can be demanded
       of the defendant. In practice, it is generally recommended to file a preliminary injunction action
       for three major reasons: it is considerably faster than obtaining a permanent injunction; legal
       expenses are therefore proportionately low; and the most important remedy, the cessation of
       infringing acts, can be obtained. Although the preliminary injunction is a temporary remedy,
       the court's order has the same practical effect as that of permanent injunction.
       A brief outline of the proceeding of a preliminary injunction and a permanent injunction is as
       follows:
       a) Preliminary Injunction
         A s the rightful patent owner, patentee may apply to the court for a preliminary injunction to
          stop the infringement. If and when granted, a preliminary injunction is the fastest civil
          action and the most powerful tool available to patentee to stop the patent infringement.
          As such, please note that in order to obtain a preliminary injunction from the court, patentee
          does not have to establish intention to infringe or negligence on the part of the infringer.
          Consequently, patentee may apply for a preliminary injunction without first sending a warning
          letter.
          In this action, the court first determines whether to hold hearings or simple conferences when
          an application for preliminary injunction is filed. These hearings and simple conferences are
          the same to the extent that both parties can attend and present their respective arguments and
          evidence to the court. The main difference between them is that hearings require stricter
          formalities than simple conferences. In practice, it is customary for the court to hold simple
          conferences for preliminary injunctions. Moreover, the court is not required to state the
          reasons for its decision on the preliminary injunction applications if the court holds simple
          conferences.
          The court usually takes from three to six months in conducting the examinations and rendering
          a judgment. If the court rejects the preliminary injunction application, the plaintiff
          (patentee) can appeal to a higher court. If the higher court upholds the original court's
          decision, then a final appeal to the Supreme Court is available. On the other hand, if the
          court grants a preliminary injunction, the defendant (alleged infringer) may either (I) file
          an objection to the decision with the issuing court, or (ii) file with the same court, a
          petition demanding that the plaintiff file for a permanent injunction. In the latter case,
          the plaintiff must then file for a permanent injunction. Otherwise, the preliminary
          injunction granted by the original court will become null and void.
       b) Permanent Injunction
          As noted, the court's grant of a permanent injunction provides a patent right holder with
          a final and conclusive judgment from which compensation for damages and restoration of
          reputation can be claimed. The restoration of reputation comes in the form of a public
          notice of an apology and the cessation of any infringing act(s). Since KPA does not
          clearly provide for a method of calculating the amount of damages due to patent infringement,
          and if the plaintiff fails to sufficiently prove the amount of damages, the amount of damages
          is usually deemed to be an amount equivalent to the royalties which the plaintiff might
          ordinarily expect to obtain.
          In general, the action which is claiming compensation for damages incurred as a result of the
          infringement, must be initiated within three years from the date on which the patentee learned
          of both the damages and the infringer. However, in no case can the patentee bring such action
          more than ten years after the date of infringement.
          Upon the filing of a permanent injunction, the court is required to hold hearings and to render
          a judgment stating the grounds thereof. The court usually takes six months to one year to
          examine and render a judgment in the first instance. An appeal can be filed with a higher court
          which considers the case de novo. A final appeal to the Supreme Court is also available, but
          only on points of law.
   4. Criminal Complaint for Violation of KPA
       Under the KPA, a violator is subject to a maximum of seven years imprisonment or a maximum
       fine of 100 million Korean won. Criminal investigation commences upon the filing of a criminal
       complaint by an injured party. Such a complaint must be made within six months after the
       patentee learns of the infringer concerned. A criminal action coupled with a preliminary
       injunction against an infringer generally creates more than sufficient pressure on the infringer
       to accept plaintiff's demands without much resistance.
       Accordingly, such aggressive actions against an infringer of a patent may significantly reduce
       the pressure the patentee is experiencing in their business activities.
   5. Seizure of Infringing Products
       The KPA does not specifically provide for a seizure of infringing products. However, the
       KPA does provide that the patent right holder can demand the prevention or cessation of the
       infringing acts. The KPA also provides that it shall, if it deems the patent right holder's
       request to be reasonable, order other appropriate measures to protect the patent right holder
       against the infringement. In practice, one of the measures granted by courts is seizure of
       the infringing product.
       - The End -