Chapter I
General Provisions

Section 22
Non-Patentable Inventions

The following shall be excluded from patent protection:

22.1. Discoveries, scientific theories and mathematical methods;

22.2. Schemes, rules and methods of performing mental acts, playing games or doing business, and programs for computers;

22.3. Methods for treatment of the human or animal body by surgery or therapy and diagnostic methods practiced on the human or animal body. This provision shall not apply to products and composition for use in any of these methods;

22.4. Plant varieties or animal breeds or essentially biological process for the production of plants or animals. This provision shall not apply to micro-organisms and non-biological and microbiological processes.

Provisions under this subsection shall not preclude Congress to consider the enactment of a law providing sui generis protection of plant varieties and animal breeds and a system of community intellectual rights protection:

22.5. Aesthetic creations; and

22.6. Anything which is contrary to public order or morality. (Sec. 8, R.A. No. 165a)

Section 74
Use of Invention by Government

74.1. A Government agency or third person authorized by the Government may exploit the invention even without agreement of the patent owner where:

( a) The public interest, in particular, national security, nutrition, health or the development of other sectors, as determined by the appropriate agency of the government, so requires; or

(b) A judicial or administrative body has determined that the manner of exploitation, by the owner of the patent or his licensee, is anti-competitive.

74.2. The use by the Government, or third person authorized by the Government shall be subject, mutatis mutandis, to the conditions set forth in Sections 95 to 97 and 100 to 102. (Sec. 41, R.A. No. 165a)

Chapter X
Compulsory Licensing

Section 93
Grounds for Compulsory Licensing

The Director of Legal Affairs may grant a license to exploit a patented invention, even without the agreement of the patent owner, in favor of any person who has shown his capability to exploit the invention, under any of the following circumstances:

93.1. National emergency or other circumstances of extreme urgency;

93.2. Where the public interest, in particular, national security, nutrition, health or the development of other vital sectors of the national economy as determined by the appropriate agency of the Government, so requires; or

93.3. Where a judicial or administrative body has determined that the manner of exploitation by the owner of the patent or his licensee is anti-competitive; or

93.4. In case of public non-commercial use of the patent by the patentee, without satisfactory reason;

93.5. If the patented invention is not being worked in the Philippines on a commercial scale, although capable of being worked, without satisfactory reason: Provided, That the importation of the patented article shall constitute working or using the patent. (Secs. 34, 34-A, 34-B, R.A. No. 165a)

Section 97
Compulsory License Based on Interdependence of Patents

If the invention protected by a patent, hereafter referred to as the "second patent," within the country cannot be worked without infringing another patent, hereafter referred to as the "first patent," granted on a prior application or benefiting from an earlier priority, a compulsory license may be granted to the owner of the second patent to the extent necessary for the working of his invention, subject to the following conditions:

97.1. The invention claimed in the second patent involves an important technical advance of considerable economic significance in relation to the first patent;

97.2. The owner of the first patent shall be entitled to a cross-license on reasonable terms to use the invention claimed in the second patent;

97.3. The use authorized in respect of the first patent shall be non-assignable except with the assignment of the second patent; and

97.4. The terms and conditions of Sections 95, 96, and 98 to 100 of this Act. (Sec. 34-C, R.A. No. 165a)

Section 100
Terms and Conditions of Compulsory License

The basic terms and conditions including the rate of royalties of a compulsory license shall be fixed by the Director of Legal Affairs subject to the following conditions:

100.1. The scope and duration of such license shall be limited to the purpose for which it was authorized;

100.2. The license shall be non-exclusive; 100.3. The license shall be non-assignable, except with that part of the enterprise or business with which the invention is being exploited;

100.4. Use of the subject matter of the license shall be devoted predominantly for the supply of the Philippine market: Provided, That this limitation shall not apply where the grant of the license is based on the ground that the patentee's manner of exploiting the patent is determined by judicial or administrative process, to be anti- competitive;