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Tax Audit Report Due: 21 October 2026 (extended) - CBDT Circular 07/2026Audit-case ITR now due 21 November 2026 - extended from 31 OctoberTDS Return (Jul–Sep) Due: 31 October 2026 - salary and non-salary TDS statementsBelated & Revised ITR Deadline: 31 December 2026 - missed July? File nowGSTR-3B Due: 20th monthly - tax payment and return filingGSTR-1 Due: 11th monthly - outward supplies and invoice reportingAdvance Tax 3rd Instalment: 15 December 2026 - review income and cash flow nowCA-led filing - WhatsApp us for checklist and pricingTax Audit Report Due: 21 October 2026 (extended) - CBDT Circular 07/2026Audit-case ITR now due 21 November 2026 - extended from 31 OctoberTDS Return (Jul–Sep) Due: 31 October 2026 - salary and non-salary TDS statementsBelated & Revised ITR Deadline: 31 December 2026 - missed July? File nowGSTR-3B Due: 20th monthly - tax payment and return filingGSTR-1 Due: 11th monthly - outward supplies and invoice reportingAdvance Tax 3rd Instalment: 15 December 2026 - review income and cash flow nowCA-led filing - WhatsApp us for checklist and pricing
Fixed-price CA servicesClear scope and a written quote before we start — no surprise charges.Get a quote →
Trademark, Copyright & Patents
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Patent Search & Patentability Opinion

Prior-art searches, patentability and freedom-to-operate analysis

Ideal for
Prior-art searches, patentability and freedom-to-operate analysis
Invention disclosure review
Prior-art search
Patentability or FTO opinion
Starting price
Custom quote
Fixed quote
Within 2 working hours
Delivery
100% online
Reviewed by
A qualified CA
How it works
  1. 1DiscloseInvention captured under confidentiality.
  2. 2SearchPrior art searched by a patent agent.
  3. 3OpinionWritten patentability / FTO opinion.
Secure document handling Fixed price before we start WhatsApp updates at every step
Get a checklist & quote on WhatsApp

Share your details. We’ll reply on WhatsApp with the next steps and a checklist.

Prefer to talk now? Call 9059139258

Talk to a CA today

Pick a plan — the fee is adjusted if you hire us within 30 days.

Recommended
CA-reviewed
Checklist-led
Fast turnaround
4.9★ rated
5000+ clients

About Patent Search & Patentability Opinion

A clear overview, in simple terms — what it is, why it matters, and how we handle it.

Quick answer

A patentability search looks for prior art — earlier patents and publications anywhere in the world — to judge whether your invention is new and involves an inventive step before you spend on filing. A freedom-to-operate search asks a different question: whether launching your product could infringe someone else's live patents in your target markets.

India grants patents for inventions that are new, involve an inventive step and are capable of industrial application, subject to exclusions such as mathematical methods and computer programs per se.

Searches are run by our partner registered patent agents across patent databases and non-patent literature, and summarised in a written opinion that helps decide whether, where and how to file.

Key facts — Patent Search & Patentability Opinion
CriteriaNovelty, inventive step, industrial application
ExcludedIncludes mathematical methods and computer programs per se
Search scopeGlobal patent databases and literature
Delivered byRegistered patent agents

Work that the law requires a registered patent agent to sign or represent is delivered through Indus Tax's partner professionals; our team prepares the records, coordinates the filing and stays your single point of contact.

Key highlights
Invention disclosure review
Prior-art search
Patentability or FTO opinion

Who this is for

Common scenarios where this service is a good fit.

  • Inventors and startups before filing
  • R&D teams before product launch
  • Investors evaluating IP-led startups

What you get

Clear deliverables so you know exactly what's included.

  • Invention disclosure review
  • Prior-art search
  • Patentability or FTO opinion
Why Indus Tax?
CA-reviewed filing

Expert review before every submission — not just data entry.

Audit-ready documentation

Working notes and reconciliations you can rely on in future notices.

India + Global coverage

Resident Indians, NRIs, expats and cross-border businesses — all served.

Documents required

A practical checklist. We'll tell you if anything else is needed based on your case.

Invention disclosure (description, drawings)
Known competing products or patents
Target markets and planned launch dates (for freedom-to-operate)

* This is a base checklist. After a quick pre-check, we may ask for additional items specific to your case.

Process

A simple, trackable workflow — designed to avoid back-and-forth.

Step 1
Disclose

Invention captured under confidentiality.

Step 2
Search

Prior art searched by a patent agent.

Step 3
Opinion

Written patentability / FTO opinion.

Want us to review your case first?
Share details and get a checklist + scope confirmation before we start.
WhatsApp for quote

Get a quote

We share a clear quote on WhatsApp after a quick checklist pre-check.

How pricing works
  • Fixed quote on WhatsApp after a short look at your facts and documents.
  • Work that legally needs a registered patent agent is signed by a partner professional; we coordinate it end to end.
  • Government fees, if any, are paid at actuals and shown separately.
Custom pricing: Quote confirmed on WhatsApp after a quick pre-check based on your case.
Why use a CA vs doing it yourself?
FactorDIYIndus Tax
Expert review❌✅
Notice risk reduction❌✅
Deduction optimisation❌✅
Audit-ready records❌✅
AIS/26AS reconciliation❌✅
Get pricing on WhatsApp

Share your facts and deadline. We'll reply with the right checklist and a clear quote.

CA-reviewed every step
No hidden charges
Audit-ready documentation
India + NRI expertise
Consult a CA
Talk to a qualified CA — 3 plans

Fee adjusted against our service fee if you go ahead within 30 days.

  • Priority CA Call-back
    Skip the queue — a CA calls you within 30 minutes.
    ₹255
  • Recommended
    CA Consultation (30 min)
    Talk one matter through properly with a CA.
    ₹755
  • In-depth CA Review (60 min)
    Documents reviewed before the call, written action plan after.
    ₹1,155

Call-backs run Mon–Sat, 9 AM–6 PM IST. Booked outside these hours? We call you first thing the next working morning.

Compare the 3 plans

Frequently asked questions

Answers to the most common questions we get.

Search FAQs
3 results.

Official sources

Indus Tax is a private professional services firm and is not affiliated with any government authority. Rules and fees change — we confirm current positions before filing.