Tracking Patent Appeals in the Delhi IPD

How-to · IP Litigation Tracking

Updated for 2026 · Claw Editorial

A patent appeal in Delhi does not look like a normal case. It is filed against an order of the Patent Office, it sits in a special division of the High Court, and it carries its own case-type code, so a plain party-name search often misses it. This guide shows how to find patent appeals in the Delhi IP Division, how to read the C.A.(COMM.IPD-PAT) code, and how to keep hearings and deadlines under control. Last verified October 2026.

01Why patent appeals in the Delhi IPD are easy to miss

Patent appeals are easy to miss because they start life at the Patent Office, not in court. The order that is being challenged was passed by a Controller, and the first record of it lives on the IP India portal. The High Court record only begins when the appeal is filed.

The case title is not the party name you expect

In many appeals the Controller of Patents is a respondent. The applicant or patentee may appear under an old company name, a short name, or a foreign entity name. A search on the name you know can return nothing, even though the appeal is listed next week.

The IP Division uses its own case-type codes

The Delhi High Court Intellectual Property Rights Division Rules, 2022 set up a dedicated division. Matters in it carry codes that start with the division name, for example C.A.(COMM.IPD-PAT) for patent appeals and C.O.(COMM.IPD-TM) for trade mark rectification. If you search the wrong code, you search the wrong list.

Deadlines run from the registry, not from the court

The time to appeal runs from the date of the Controller’s decision. By the time a matter shows up in a cause list, the first and most dangerous deadline has already passed. Tracking has to begin before the filing.

A patent appeal has two records: the Patent Office order and the High Court file. Tracking only one of them is how deadlines and hearings get missed.

02What C.A.(COMM.IPD-PAT) means

C.A.(COMM.IPD-PAT) is the Delhi High Court case-type code for a civil appeal in the IP Division under the Patents Act, 1970. It is the code used for appeals filed under section 117A. Written in full, a case number looks like C.A.(COMM.IPD-PAT) 7/2021, where 7 is the serial number and 2021 is the year of filing.

Section 117A of the Patents Act lists the decisions, orders and directions of the Controller or the Central Government that can be appealed to the High Court. Typical examples are refusals of an application, orders after a pre-grant opposition, and orders after a post-grant matter, depending on the section under which the order was passed.

Two points are worth remembering.

• Time limit: section 117A provides a period of three months from the date of the decision for filing the appeal.
• Which High Court: the appeal goes to the High Court that has territorial jurisdiction over the Patent Office that passed the order. For the Delhi IPD, that means orders from the office whose jurisdiction falls within Delhi.

Do not confuse this code with C.O.(COMM.IPD-PAT), which is used for original petitions such as revocation of a patent. The prefix tells you what kind of proceeding it is. An appeal is C.A., an original petition is C.O.

03Step-by-step: how to find and track a patent appeal in Delhi

Use these steps in order. Each one closes a gap the earlier one leaves open.

Step 1: Start from the Patent Office order

Open the application on the IP India public search and note the application number, the date of the Controller’s order and the section it was passed under. This gives you the appeal deadline and the exact party names used in the order.

Step 2: Search the Delhi High Court by case type

On the Delhi High Court case status page, choose the case type for the IP Division patent appeal and enter the number and year. If you do not have the number, search by party name and try every name variant: old name, new name, abbreviated name, and the Controller of Patents as respondent.

Step 3: Confirm on a judgment source

Once decided, appeals appear as judgments on the Delhi High Court website and on public databases such as Indian Kanoon. Search the case-type code with the year to see decided appeals and to check how the Court has treated similar orders.

Step 4: Record the next date and the orders

For each appeal, record the next hearing date, the bench, the last order and any direction on filing or hearing. Put the date in a shared calendar with a reminder at least two working days earlier.

Step 5: Watch the cause list

IPD matters appear in the daily cause list of the bench. Check it each evening for the next day. A matter can be advanced, listed for a short hearing, or moved.

Step 6: Set a weekly sweep for new filings

Run a saved search every week for your clients and key competitors, using all name variants. New filings are the easiest thing to miss.

Step 7: Link the appeal back to the patent record

Keep one file that holds the patent application number, the Controller’s order, the appeal number and the hearing history. Next, when the Controller or Court issues something new, you see it in one place.

If you track several IP matters at once, our guide to IP litigation tracking software in India compares the main options.

04Keep the registry side and the court side in step

A patent matter moves on two tracks, and a good tracker watches both. The registry track is on IP India: examination reports, hearing notices, pending responses and annuity dates. The court track is in the Delhi High Court: filings, listings, orders and judgments.

Most teams do the court side by hand and the registry side in a spreadsheet. The risk is the gap between them. If you also manage post-default recovery or other deadline-heavy workflows, the same discipline applies, as shown in our legal recovery workflow guide.

05Common mistakes when tracking IPD patent appeals

• Searching only one party name. Always try the old name, the new name and the Controller as respondent.
• Mixing up C.A. and C.O. An appeal against a Controller’s order and a revocation petition are different proceedings with different codes.
• Counting the limitation from the wrong date. Count from the date of the decision, not the date you received it, unless the rules and law clearly say otherwise.
• Relying on one portal. Court websites can lag. Cross-check with the cause list and the latest order.
• Not saving orders. Download each order when it appears, because links can change.

06Tools and honest limits

The free route works. The Delhi High Court case status page, the IP India public search and Indian Kanoon together cover most of what is on this page, at no cost. The trade-off is effort: you check each source by hand and keep your own calendar.

Paid tools reduce that effort, but each has a different strength. Pick by the job you do most.

• Global, multi-country docketing and annuities: Anaqua, Clarivate and Dennemeyer are built for this and go deeper than any India-first tool.
• Very high volume, specialist IP-firm docketing: Iolite and JSK are specialist choices.
• AI prior-art and structure search: PatSnap, Questel and IPRally lead here.
• USPTO or CIPO first: Alt Legal fits better.

None of these is wrong. They answer different questions. If your need is one India-first tool that follows a patent from IP India into the Delhi IPD, the next section explains one option.

07Where Claw fits

Claw is an all-in-one legaltech platform for Indian advocates, law firms, and corporate legal teams, combining AI-based case search, an AI legal assistant (Legal GPT), case management, and compliance automation across all Indian courts and tribunals.

Once a patent appeal is in the Delhi IPD, the task is following the C.A.(COMM.IPD-PAT) matter by code or party and reading every order. Claw lets you search and track cases, orders and hearings across 9,102 courts, benches and forums, with 30 crore+ judgments and results in under 5 seconds, so you can follow the appeal by court plus number or party and research how similar section 117A appeals were decided, with Supreme Court judgments from 1950 and High Court judgments from 1990.

Claw does not use customer documents to train AI models. Create a FREE Claw account to track patent appeals and research prior orders by party or advocate name. To search the wider body of law, see case search across Indian courts.

08Sources and further reading

Primary sources used for this page. Last verified October 2026.

• Delhi High Court (case status, cause lists, judgments): delhihighcourt.nic.in
• IP India (patent public search and the Patents Act): ipindia.gov.in
• Delhi High Court IP Rights Division Rules, 2022 (summary text): legitquest.com
• Indian Kanoon (decided appeals): indiankanoon.org
• Claw: clawlaw.in

This page is general information, not legal advice. Check the Act, the rules and the latest orders before relying on any deadline.

09Frequently asked questions