International Patent
Writing, Drafting
& Filing
Dr. Rahul Dev provides end-to-end international patent services across US, EU, and APAC — from initial concept drafting through PCT filing and prosecution.
Core Patent Services
Economic Times
CNBC TV18
Times of India
Yahoo News
Business Standard
Serving Clients in US, EU and APAC Since 20 Years
Director, Hashchain Consulting Group, USA
Specializing in New Project Launches, Global Patent Portfolio Creation, Bringing Inventions to Market, IP and Patent Valuations, Cross-border Mergers & Acquisitions, Joint Ventures, Global Tech Transactions, Patents, Brand and Trademarks Valuation
International Patent Services
That Protect Your Innovation
From initial invention disclosure to global patent protection, Dr. Rahul Dev handles every stage of the international patent lifecycle with technical precision and legal expertise.
International Patent Writing
Technically precise patent specifications that meet USPTO, EPO, and WIPO standards. Claims drafted to maximise protection scope while ensuring validity across jurisdictions.
International Patent Drafting
Comprehensive patent application drafting including independent and dependent claims, detailed descriptions, and professional drawings for complex technical inventions.
International Patent Filing
End-to-end PCT filing services covering national phase entry strategy, prosecution management, and coordinated filing across US, EU, India, and APAC.
Patent Prosecution
Expert handling of office actions, examiner interviews, and appeals to maximise allowance rates and protect your IP investment through the examination process.
IP Strategy & Portfolio
Strategic IP landscape analysis, freedom-to-operate opinions, and portfolio audits to align your patent assets with business objectives and competitive positioning.
Technology Law & Licensing
IP licensing agreements, technology transfer contracts, and legal advisory for startups, enterprises, and research institutions across pharma, fintech, AI, and blockchain.
A PhD Data Scientist Who Is Also a Patent Attorney
Dr. Rahul Dev brings a rare combination of deep technical expertise and legal acumen to international patent work. With a PhD in Data Science and 20+ years of practice across pharma, financial services, AI, blockchain, and engineering, he understands inventions at a level most patent attorneys cannot.
His superpower is dissolving complexity — translating intricate technical inventions into patent claims that are both legally robust and strategically valuable.
- PhD Data Scientist with domain expertise across 12+ technology verticals
- Patent Attorney with active practice before USPTO, EPO, and WIPO
- AI Business Advisor and Director at Hashchain Consulting Group (USA)
- Published in Bloomberg, Economic Times, CNBC TV18, and more
- Clients spanning USA, EU, Switzerland, Singapore, Dubai, and India
Four Reasons Clients Trust
This Practice Globally
Technical Depth
A PhD Data Scientist who reads and understands your invention at the engineering level before drafting a single claim.
Global Jurisdiction Coverage
Active PCT filing experience across USPTO, EPO, India, Singapore, and APAC national phase entries from a single point of contact.
Cross-Domain Experience
Patents filed across AI, blockchain, pharma, IoT, fintech, robotics, and mechanical engineering — no invention is too complex.
Business-Aligned Strategy
Patents drafted with commercial strategy in mind — not just to get granted, but to create enforceable, licensable IP assets.
International Patent Services
Across 12+ Technology Verticals
Deep technical domain knowledge allows this practice to draft and file patents that capture the true scope of your invention across diverse industries.
Selected International
Patent Work
A cross-section of international patent filings spanning technology, pharma, and engineering domains.
Chemical Compositions
International patent filing for chemical and pharmaceutical innovations
Trusted by Global
Innovators and Institutions
Airports Authority of India
IT & Infrastructure
GreyOrange
Robotics — Singapore
BlockGemini
Blockchain — Dubai
Lonza Group
Pharma — Switzerland
University of Washington
Academic Research
National Univ. of Malaysia
Research & Development
Decentr
Blockchain Technology
G8Chain
Switzerland
XITE Holdings
Australia
Global Innovators
US, EU & APAC
Featured In Leading
Business & Legal Publications
Ready to Protect Your Invention Internationally?
Whether you need international patent writing, drafting, or PCT filing, start with a free consultation to discuss your invention and protection strategy.




