d) The description shall disclose the invention in a manner sufficiently clear and complete for all the claimed embodiments of the invention to be carried out by a person having ordinary skill in the art in Liberia, and shall, in particular, indicate at least the best mode for carrying out the invention known to the inventor at the filing date or, where priority is claimed, at the priority date of the application. e) In the case of inventions related to biological material that cannot be described as required under subsection (d) of this Section, the applicant shall deposit a sample thereof, not later than the date of filing of the application, with a depositary institution recognized under the Budapest Treaty. After the publication of the application, any interested party shall have access to a sample of the deposited biological material, subject to the obligation by said party to use said sample for experimental purposes only. f) Where the claimed invention consists of or is directly derived from biological material or from traditional knowledge obtained from a particular community, the description shall indicate the source and the origin of that material or knowledge, as known to the applicant. The application shall also provide information, including evidence, of compliance with any applicable legal requirements in the supplying country regarding prior informed consent and sharing of benefits arising from the commercial or other utilization of such material and/or knowledge. g) The Director General may, at any time before the grant of the patent, require the description in a patent application to be amended to comply with the requirements of this section to ensure technology dissemination, provided that any amendment shall not result in the application disclosing matter extending beyond what was disclosed in the initial application. h) The claim or claims shall define the matter for which protection is sought. The description and the drawings may be used to interpret the claims. i) Claims shall be clear and concise. They shall be fully supported by the description. Subject to Section 13.5 of this Part, a main claim shall define all novel and essential features of the invention. All claims dependent on a main claim shall be subordinated to and narrower than that main claim. j) In the case of inventions relating to chemical products and processes, the description, claims and abstract shall include the relevant internationally recognized chemical denomination of the claimed products or of the products obtainable with the claimed process. In the case of pharmaceutical products, the international non-proprietary name, wherever available at the date of filing the application, shall be included. k) Drawings shall be required when they are necessary to understand the invention. l) The abstract, must be concise and precise and accurately describe the essential elements and industrial applicability of the invention. It shall serve the purpose of technical information; in particular, it shall not be taken into account for the purpose of interpreting the scope of the protection conferred by the patent. 69