Page 57 - A&A Patents&Design Rewind-2016
P. 57

4583-CHENP-2009  Isolated peptides referred to        Upon scrutiny of the pages describing sequence listing, it
6233-CHENP-2008  Sequence ID no.1 comprising          was found that all the claimed sequences are obtained from
3324-CHENP-2008  Sequences 2, 3, 5, 7, 8, 9, 10, 11,  Hyalophora cecropia also known as the Cecropia moth. In
                 12 or 15.                            view of this finding, the isolated sequences claimed in amended
1640-CHENP-2008                                       claims 1-11 were held as substances occurring in nature and not
4860-CHENP-2008                                       patentable under Section 3(c) of the Patents Act.
1072-KOLNP-2007
                 Peptides derived from Dengue         Upon scrutiny of the sequence listing pages, it is clear that these
                 virus Type 2 to achieve the          sequences are derived from Dengue virus, i.e. they are obtained
                 objective of prevention/treatment    from a naturally occurring source
                 of Dengue

                 An antibody that specifically        Human IL-21 is a natural protein and hence there is existence of

                 binds to the same epitope            natural antibody against the hIL-21.

                 on human IL-21 (hIL-21)              The controller held that the structural difference between the
                 as monoclonal antibody               claimed antibody and the naturally occurring antibody is not
                 272.21.1.3.4.2 (ATCC Accession       clear. There is no recombination of the claimed antibody in
                 no. PTA- 10395).                     the description and the Applicant’s agent failed to prove the

                                                      artificialness in the claimed antibody. Rather, the agent was

                                                      explaining the process of production of the antibody. Thus, in

                                                      the absence of clarity on the artificialness in the structure of the

                                                      claimed antibody it can be treated as a discovery of the naturally

                                                      existing hIL-21 antibody and is not patentable u/s 3 (c) of the

                                                      Patents Act, 1970.

                 An anti-cancer vaccine comprising Due to 3(c) objection on peptide, the claims amended to

                 at least one tumor associated        composition were found not allowable.

                 peptide.

                 A pharmaceutical composition         The admixture was held to not qualify as a composition as
                 comprising one or a plurality of si  there is only one constituent defined in the claims, i.e., a si RNA
                 RNA molecules.                       molecule.

                                                      This means that this is an attempt to claim the si RNA molecule,

                                                      which was earlier objected to under Section 3(c) as it pertains

                                                      to a naturally occurring substance, which was acknowledged and

                                                      deleted by the Agent.

                 CDH3 peptide and medicinal The Controller held that even though there is no word ‘isolated’

                 agent comprising the same.           used in conjunction with SEQ ID Nos.: 1 and 2, page 8 of the

                                                      specification recites that “The peptide according to the present

                                                      invention is an epitope restricted by HLA-A2 which is an HLA

                                                      allele generally found in Japanese and Caucasian populations”.

                                                      Specifically, candidates of HLA-A2 binding peptides derived from

                                                      CDH3 were selected using as an index their binding affinity to

                                                      HLA-A2”. Hence it is clear that SEQ ID Nos.: 1 & 2 are naturally

                                                      occurring molecules

                                                                                             Patents & Design | 57
   52   53   54   55   56   57   58   59   60   61   62