Vidya Subramanian (Reliance Life Sciences, India)
India has been in forefront by providing health care products at an affordable price. The success of Pharmaceutical generics showcases the significance of effective patent searching and data mining. The emerging Biotech era has posed many challenges to comprehensive patent search. The nuances in patent searching in life science domain opens a plethora of aspects that one needs to delve in seeking accurate information. The Biotech patent information remains largely scattered as opposed to the organised analysis of patents available to chemical domain. The collation of information and the complexity begins right from the structure of the molecule to the final mechanism of action of these products. A cursory review of the aspects of searching life sciences patents enables one to evolve an insightful search.
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Indian Pharmaceutical sector
❖ The Indian pharma industry is expected
to grow over 15 % p.a between 2015
and 2020.
❖ The market is expected to emerge as
the 6th largest pharmaceutical market
globally by absolute size.
India's pharmaceutical sector will touch US$ 55 billion by 2020.
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Indian Biotech Sector
❖ India is becoming a leading destination
for clinical trials, contract research and
manufacturing activities which is leading
to the growth of bio services sector.
❖ Protein & antibody production &
fabrication of diagnostic protein chips are
promising areas for investment.
❖ Stem cell research, cell engineering &
cell-based therapeutics are other areas,
wherein India will cash in its expertise.
❖ By FY25, India’s biotech industry is
estimated to increase to USD100 billion
from USD 27.58 billion in 2016.
India is ranked 12th in the world in biotech and 3rd in Asia-Pacific.
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Patent Filing trends- Biotech
❖ Number of MNCs with R&D centers in
India has grown from 721 in 2010 to
943 in 2016.
❖ India’s R&D ecosystem has growth at a
phenomenal pace in the last 10 years.
❖ 42% of Global 500 R&D spenders have
centers in India, with the figure
expected to reach 49% by 2020.
India is fast emerging as a global R&D hub.
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Advantage India: Policies
❖ Patent & design applications rose at a
CAGR of 3.65% & 7.13% respectively,
during FY07–15.
❖ Growing IP application activity indicates
increased in-house R&D & innovation in
India
❖ In January 2017, “Innovate in India” a
strong intellectual property framework to
encourage innovation & to promote
development in India.
The biotechnology industry in India has immense potential to emerge
as a global key player.
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Advantage India: Patent Aspects
❖ Patent Act : Non patentable inventions- under
Section 3
❖ Section 3d- prevents ever-greening
❖ Section 3e- prevents obvious combinations
❖ Section 3i - prevents medical use claims
❖ No patent term extension / exclusivity
❖ No patent linkage to regulatory approvals
❖ Option of Compulsory Licence
❖ Option of pre and post grant patent opposition
❖ Revocation of patents due to non-working
Indian Patent act has provisions for faster entry of generics in health care.
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Patent landscape-Pharma
Patent search is more organized and structured for Pharmaceutical sector.
Designing for NCE Patent data- Generics
Gray area identification API- base molecule
Selection from chemical classes Polymorph/ Salts/Solvates/ Purity
Structure activity relationship
search
Key intermediates
Design and check for
structure/substructure
Process / ROS
Reaction searches / intermediates Formulation patents
Formulation search Use
Combinations search Dosage/ Combination/Devices
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Patent landscape- Biopharma
❖ Biotech Molecules
❖ Regulatory requirements, Gray area search
❖ Target / receptors
❖ Type of molecule- Isolated polynucleic
acids, peptides and polypeptides, enzymes,
microorganisms, viruses, vectors,
antibodies, probes, vaccine compositions,
expression systems, cell lines, plants,
seeds, transgenic organisms.
❖ Technology search
❖ Sequence search
Biotech field has more complex search aspects than Pharma field.
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Indian Patent Aspects- Biotech
❖ Non Patentable inventions- Indian Patent Act
❖ Section 3b - disallows Stem cell related patents
❖ Section 3c - disallows gene sequences
❖ Section 3e - prevents obvious combinations
❖ Section 3h - disallows cultivation related
techniques
❖ Section 3i - prevents diagnostics, medical use
❖ Section 3j - prevents transgenic plants
❖ Section 3p - prevents protection of traditional
knowledge
Hindering for innovative R&D but provides commercial advantage for
generic entry.
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Framing of keywords
❖ No chemical name
❖ CAS number
❖ Initial short name : eg. D2E7
❖ Target based search eg. VEGF Antibody
❖ Review articles of innovator
❖ Citations
Keywords / search terms remains the prime area to be focused.
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Patent classification search
❖ Biotech areas :
❖ Concentrated in section A, C and G of the
IPC,
❖ Certain patents in the biotechnology field
might be found in sections B, D and E but
are mixed with other technology domains
from which they cannot be separated
❖ Example: C07K for peptides, C12N for
enzymes, G01N for stem cells,
Transgenic plants-A01H etc.
Biotech inventions are largely inter-related.
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Equivalent patents
❖ PCT patent – national phase entry
❖ Applicant name search
❖ Inventor name search
❖ Confirming sequences in equivalent patent.
❖ Priority number search
❖ Patent Family search
The equivalent patent remains the important tool for comprehensive
search.
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Sequence information
❖ Sequence searches :
❖ Partial sequence in claims
❖ Check in Figures
❖ Check description for the sequence IDs
❖ Sequence listing of equivalent PCT patents
❖ Regulatory submissions
❖ Patent term extensions
❖ WHO nomenclature reports (INN)
Sequence listing in the file history still remains obscure at Indian Patent
office.
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Geographical source & Traditional knowledge
❖ Deposits & Geographical source
❖ Permissions from National Biodiversity
Authority
❖ Need to deposit the microorganisms
❖ Traditional knowledge search
❖ Extracts
❖ Combination of ingredients in a range is not
inventive.
The above requirements are unique to Indian Patent Act.
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Other Aspects
❖ Technology patents
❖ Cross licence/ Exclusivity
❖ Declarations for Regulatory
approvals
❖ Device related patents searches
❖ Designs patent
❖ Citation searches
The additional requirements needs to be checked and aligned in the
search report.
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Patent prosecution history
❖ File history retrieval
❖ Claim amendments- to overcome the rejections
❖ Check controller decision after hearing- check
the claims amendment date; e.g.: Tocilizumab
❖ Check Form 8 for equivalent patents and its
status
❖ No linking of divisional patents.
❖ Patent oppositions / litigation
❖ File review
❖ Track decisions & IPAB
Claim amendments occur in 90% of the biotech patent applications and
needs to monitored till grant.
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Databases
❖ Use of paid Databases
❖ Indian patent website- evolving
❖ Need to convert the Indian patent number of
various databases to Standard form to
check for status.
❖ MCPaIRS of Molecular connections- by far
has extensive coverage of Indian patents
❖ Databases for Sequence related search
eg STN & Scifinder
❖ Database for design patent search
Paid databases helps to reconcile the reports in the standard form.
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To summarize….
❖ Drug Substance: Target, sequence, affinity based
claims
❖ Process-technology, purification, analytical methods
❖ Media: culture media, buffers
❖ Purity
❖ Formulation
❖ Combination
❖ Diagnostics methods: Screening of suitable patients,
biomarkers
❖ Method of use / indication
❖ Dosing
❖ Devices
Biosimilar patent landscape is more exhaustive than Pharma.