Converting a Rejected Patent Application to a Utility Model Before Licensing

Conversion is available before grant under the applicable rules and, if allowed, the utility model application keeps the original filing date. That is attractive because the examiner's inventive-step objection is weaker for a utility model: Philippine utility model registration requires novelty and industrial applicability, not the same inventive-step threshold as a patent. The trade-off is term. A utility model lasts seven years from the filing date, while a patent lasts twenty years. A licensee asking for a 10-year exclusive license cannot receive a 10-year monopoly from a seven-year utility model; the license can only run for the life of the right. The client should therefore compare two paths. If the mechanical structure is genuinely novel and has a credible inventive-step argument, respond to the office action and keep the patent path, because the longer term supports the license. If the inventive step is weak and speed matters more than duration, convert and narrow to the mechanical dryer. Conversion does not erase the cited prior art; it changes the legal standard. The client should also check whether the licensee will accept a shorter exclusivity period or whether a patent is a condition of the deal.

The trade fair was on 5 May 2023 and the patent application was filed on 10 June 2023, only 36 days later. That is within the 12-month grace period. The demonstration and the leaflet were acts of the inventor, so they should be excepted from prior art if properly proven. The leaflet disclosed the chamber and collector but not the algorithm. This matters in two ways. First, for the mechanical claims, the inventor can rely on the grace period, but he must submit evidence: the leaflet, photographs, the trade fair program, and a declaration identifying the date and the disclosing party. Second, for any claim that is not covered by the grace period or that combines the leaflet features with other publicly known features, the examiner may still argue obviousness. The leaflet is not a fatal bar, but it is a warning: the claims should emphasize features that were not displayed or distributed, such as the specific control relationship or a structural detail of the chamber. The applicant should not assume the examiner will apply the exception automatically; the response should expressly invoke it and provide proof.

If the applicant keeps the patent application, the algorithm claims need surgery. A claim to software as such, or to a mental calculation of moisture and fan speed, is likely excluded. The better approach is to recast the algorithm as a method of operating a specific drying apparatus, tied to moisture sensors, a fan, and a solar collector, and to explain the technical effect on drying uniformity and energy use. If that cannot be done convincingly, delete the algorithm claims and keep the mechanical claims. For the inventive-step objection, the response should amend the independent claim to include a structural feature not shown in the two cited dryers, such as a particular airflow path or collector-to-chamber coupling, and then submit a claim chart distinguishing each reference. The applicant should also address the trade fair evidence in the same response. Conversion remains a fallback, but it should not be used to rescue claims that are excluded subject matter; the utility model application should be limited to the mechanical dryer.