Years of Specialized Experience
For over sixteen years, we have exclusively supported patent professionals, inventors, corporations, IP law firms, and in-house legal teams across the globe.
We transform concepts, sketches, CAD files, photographs, prototypes, and technical documents into professionally compliant patent drawings across every technology domain.
Why Immunis
Immunis Drawings is the dedicated patent illustration division of Immunis Info Services Pvt. Ltd., serving innovators, IP law firms, corporations, and legal professionals worldwide. With over 16 years of experience and more than 200,000 drawings delivered, we combine engineering understanding with patent drawing expertise for filings that meet international patent office standards.
For over sixteen years, we have exclusively supported patent professionals, inventors, corporations, IP law firms, and in-house legal teams across the globe.
Our portfolio spans virtually every technology domain, helping clients successfully file patents in multiple jurisdictions.
Drawings prepared to meet USPTO, PCT (WIPO), EPO, Indian Patent Office, CNIPA, and other international jurisdiction requirements.
From mechanical and electronics to biotechnology, AI, medical devices, and industrial systems — we illustrate across domains.
Proven Track Record
Capacity & Process
From one urgent drawing to large portfolios, Office Action revisions, and ongoing support — a proven five-step workflow without compromising quality or turnaround.
How we work
Share sketches, CAD files, photos, or a written disclosure — any format works.
Illustrators study the invention and confirm views, figure counts, and standards.
Figures drafted to jurisdiction rules with reference numerals and consistent views.
Multi-level review for compliance, clarity, and technical accuracy before release.
Editable files delivered on schedule, with revisions supported until acceptance.
Global Coverage
Figure sets prepared to each office’s formal requirements — margins, line weights, numbering, and view conventions.
United States
37 CFR 1.84
Europe
EPC standards
China
CNIPA rules
India
IPO rules
Other Jurisdictions
Local standards
International
PCT Rule 11One invention, multiple filings? We adapt a master set to every jurisdiction you file in.
What We Offer
Core patent drawing services built for filing accuracy, prosecution support, and expedited delivery.
Functional illustrations meeting USPTO, PCT, EPO & multi-jurisdiction utility requirements.
Ornamental views with accurate contours, shading, and broken-line practice.
Convert CAD, SolidWorks & 3D models into patent-office-ready line art.
Replacement sheets, numeral updates, shading corrections, and formal compliance fixes.
Ongoing drawing support through examination, amendments, and filing milestones.
Design patent broken-line amendments and surface shading corrections.
Software flowcharts, system architecture, and process diagrams for utility filings.
Clear visual exhibits that support claim interpretation and courtroom presentation.
Review to align figures, numerals, and specification language before filing.
High-priority drawing support when filing deadlines cannot wait.
Consistent drawing standards across large patent portfolios and family filings.
Indian Design, Convention/Priority, Hague, and foreign jurisdiction design drawings.
Beyond Drawings
Complementary IP visualization and analysis support — distinct from core drawing production.
Visual claim charts and prior-art illustrations that clarify overlap and differentiation.
Drawing and documentation support tailored for accelerated examination pathways.
Technical search support with illustrated findings for clearer invention assessment.
Exhibit-ready visuals and technical illustration support for dispute and trial work.
End-to-end prosecution assistance aligned with drawing updates and office responses.
Coverage
Patent drawings across 12+ technology domains — from mechanical assemblies to biotech and AI.
Credibility
Law firms, corporations, and independent inventors rely on our figures to clear examination the first time.
“The drawings were flawless — every figure was accepted without a single objection from the examiner. That almost never happens.”
“Fast turnaround, precise revisions, and complete confidentiality. After three years, they operate like an extension of our own team.”
“They converted rough CAD exports into clean, compliant figure sets faster than any vendor we have worked with.”





















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Contact
Whether you’re filing a new patent application, responding to an Office Action, or need urgent drawing support — our team is ready to assist.
Get patent-ready drawings from a team that’s filed across every major office.