Philippine IP office tackles divisional patent applications

By Editha Hechanova and Chrissie Ann L Barredo, Hechanova & Co
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The IP Code requires unity of invention in a patent application, and if the application contains several independent inventions that do not form a single general inventive concept, the director of patents may require that the application be restricted to a single invention, which gives rise to divisional applications.

Editha HechanovaPresident and CEO of Hechanova & CoManaging partner of Hechanova Bugay Vilchez & Andaya-Racadio
Editha Hechanova
President and CEO of Hechanova & Co
Managing partner of Hechanova Bugay Vilchez & Andaya-Racadio

There has been some confusion as to when divisional applications, whether borne out of an order to restrict, or voluntarily applied for by the applicant, must be filed, resulting in some cases to the unelected claims being permanently deemed withdrawn for failure to timely file the divisional application.

In a recent decision by the Office of the Director General (ODG) of the Intellectual Property Office of the Philippines (IPOPHL) (Takeda Pharmaceutical Co Ltd v Director of Patents, 20 July 2018), this issue was tackled.

On 1 June 2004, Takeda filed a patent application for “pharmaceutical composition” with the Bureau of Patents (BOP) as a divisional application of Philippine Patent Application No. 53455 (the parent application) filed on 18 June 1996.

The examiner denied the application for having been filed out of time, citing section 17 of rule 165 of Republic Act No. 165 (the old law), which states that a latter application filed for an invention divided out shall be considered as having been filed on the same day as the first application, provided the said latter application is filed within four months after the requirements to divide become final, or within such additional time, not exceeding four months, as may be granted.

Takeda sought reconsideration and maintained that section 17 does not apply because it filed its divisional application 210 as a voluntary divisional patent application, on its own initiative, and as such can be filed anytime until the parent application is granted, withdrawn or abandoned.

The examiner rejected Takeda’s argument, claiming that application 210 cannot be considered a voluntary divisional application because it was filed as a result of the examiner’s requirement to restrict the claims of the parent application. Takeda then proposed to amend the claims of its application and requested the examiner to consider application 210 as a voluntary divisional application, but this was also denied by the examiner.

Chrissie Ann L BarredoPatent manager and senior associateHechanova & Co
Chrissie Ann L Barredo
Patent manager and senior associate
Hechanova & Co

Takeda appealed to the ODG, which affirmed the rejection of the examiner, and ruled: There is no dispute that the parent application was filed on 18 June 1996, which was subjected to restriction. Citing section 38.2  of the IP Code, “if several independent inventions which do not form a single general inventive step concept are claimed in one application, the director may require that the application be restricted to a single invention, and that a later application filed from an invention divided out shall be considered as filed on the same day as the first application, provided that the application is filed within four months after the requirement to divide becomes final, or within additional time not exceeding four months, as may be granted.”

Takeda’s contention that its parent application can be considered as a continuation application akin to a voluntary divisional application is untenable because the provision on voluntary division applies only if there is no restriction requirement issued by the examiner during the examination proceedings.

The ODG further stated: “As a privilege granted by the state that amounts to a grant of monopoly, patents should be strictly construed and given only to those inventions that have significantly contributed to existing arts. Innovations that are not anymore new, or which have been disclosed to the public, should not anymore be included in the patent protection. In addition, just like in lawsuits, reglementary period and time limits must be strictly followed, as they are considered indispensable interdictions against needless delays, and for orderly discharge of patent examinations. Procedural rules are not to be belittled or disregarded simply because their non-observance may have resulted in prejudice to a party’s substantive rights.”

The BOP issued, on 1 September 2018, Memorandum Circular No. 18, Interpretation of Rules 610 and 611 of the Revised Implementing Rules and regulations, and Considerations for Accepting Divisional Applications in the Bureau of Patents, the salient points being:

(1) A mandatory divisional application refers to one arising from a restriction following a lack of unity of invention rejection of the parent application. It must be filed within four months from date of election, or from the date the requirement for restriction becomes final. The indication that the restriction is made final will be stated in the next or subsequent action, and the prescribed period of four months shall be reckoned from the mailing date of said office action;

(2) A voluntary divisional application filed on the applicant’s own initiative may be filed on a pending parent application before the latter is withdrawn or patented, provided that the subject matter does not extend beyond the content of the parent application; and

(3) The term of a divisional application shall not extend the 20-year patent protection period reckoned from the filing date of the first filed parent application.

Editha Hechanova is president and CEO of Hechanova & Co, and Chrissie Ann L Barredo is patent manager and senior associate lawyer at the firm

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