How to find patent classification [Expert Approved]

Last updated : Sept 6, 2022

How do I find my International Patent Classification?

You can find the text of the IPC and related documentation (e.g. IPC Guide (2012) ) on the IPC page of the World Intellectual Property Organization (WIPO) website.

What is classification code in patent?

Classification codes are a type of categorization for patents which are used to classify the contents of a patent in a uniform manner. There are various different types of classification codes that are used which are used for different kind of patents and in some cases are jurisdiction-specific.

How many patent classifications are there?

There are over 400 classes in the U.S. Patent Classification System, each having a title descriptive of its subject matter and each being identified by a class number. Each class is subdivided into a number of subclasses. Each subclass bears a descriptive title and is identified by a subclass number.

Who assigns patent classification?

The USPTO then assigns the patent application to the art unit that is mapped to the assigned USPC classification code.

How many IPC classes are there?

It consisted of eight sections, 103 classes, and 594 subclasses, as compared with the IPC eighth edition consisting of eight sections, 129 classes, 639 subclasses, 7,314 main groups, and 61,397 subgroups.

What is IPC and CPC in patent?

The Cooperative Patent Classification (CPC) is an extension of the IPC and is jointly managed by the EPO and the US Patent and Trademark Office. It is divided into nine sections, A-H and Y, which in turn are sub-divided into classes, sub-classes, groups and sub-groups.

Are patents classified?

Patent Classification Systems To make searching easier, every patent is classified using a defined scheme. A classification scheme is a system of codes that groups inventions according to technical area, which means similar inventions are grouped under the same classification.

What does a patent classifier do?

The patent classifier must assist and guide the examiner in laying out a field of search which will cover all pertinent portions of all of the dozens of classes and sub-classes -- almost all of which are outside the area with which the examiner is familiar -- in which such functions, uses and devices are found.

Where do I see my patent in IP RMS?

This is Expert Verified Answer All you have to do in this case is click the "Application Status" tab, which is near the top of the search page next to the "Patent search" and "Patent E-register" pages.

What is a patent class 8?

Patent means the exclusive right over any idea or invention. Some resources have economic value, some do not. For example, metals may have an economic value, a beautiful landscape may not.

What is classification search?

A patent classification search is a type of patent search done by searching patent classification schemes in patent databases. Patent applications are classified into classification schemes based on their technical content.

How many CPC symbols are there?

The CPC system has over 250,000 categories. Each classification term consists of a symbol such as "A01B33/00" (which represents "tilling implements with rotary driven tools").

What is a Class 3 product?

A Class 3 product is defined as a product where 'continued high performance or performance-on-demand is critical. Equipment downtime cannot be tolerated; the end-use environment may be uncommonly harsh; and the equipment must function when required. '

What is the IPC classification and indicators?

The Integrated Food Security and Humanitarian Phase Classification (IPC) is a system for defining the severity of a situation (from „generally food secure‟ to „famine/humanitarian catastrophe‟), based upon a wide range of indicators of the impact of a hazard event on human health and welfare (e.g. mortality rate, ...

How do you tell if a product has a patent?

1. Patent Public Search.
2. USPTO Patent Full-Text and Image Database (PatFT)
3. USPTO Patent Application Full-Text and Image Database (AppFT)
4. Global Dossier.
5. Patent Application Information Retrieval (PAIR)
6. Public Search Facility.
7. Patent and Trademark Resource Centers (PTRCs)

What are the types of patent?

• There are three types of patents - Utility, Design, and Plant.
• Utility Patent.
• Design Patent.
• Plant Patent.

What are patents class 12?

A patent is the exclusive right over any idea or invention. If you have a patent, you have the exclusive right to do what you want with your idea or invention. It also means that no one can use it for commercial purposes without your consent.

What is an example of a patent?

Examples of inventions protected by utility patents are a microwave oven, genetically engineered bacteria for cleaning up oil spills, a computerized method of running cash management accounts, and a method for curing rubber.

How do I look up a patent number?

If you know the patent number use either Google Patents or the USPTO website to find the patent. Enter the patent number without commas and when using the USPTO website the patent number must be seven numbers in length (add preceding zero's if necessary).

How many CPC subclasses are there?

The CPC Definitions published relate to the following subclasses: B05D, B23F, B24C, B41L, B62D, C10G, D04B, E01C, E04C, E04F, E21B, E21D, F02F, F02M, F03D, F16B, F16S, F23R, F25C, F28G, G01D, G01H, G03D, G05G, G07C, G09B, G06G, G06N, H04H. 17 April 2013: The April version (2013.04) of the CPC scheme is now available.

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so this is our third and final video on how to search for patents this video is presented by patent file org which is a provisional patent filing resource for inventors and this whole presentation is available on the website patent org so in this example we're going to talk about searching patent classes before I do that I'm going to go back to our Google patent search and take another look at the patent class system so here we are back at our Google patents screen as you can see they have a little heading here for a current US patent class system and as I've started to notice that I've been writing down as I'm doing my searching that I keep seeing this one 1 4 / 3 4 7 or 1 1 4 / 3 6 3 patent class system and so what I'm going to do is I'm going to go over to the u.s. PTO website the address is uspto.gov / web slash patents / classification and this is going to bring up my patent class search screen and so I'm going to type in my 1 1 for 1 1 for 3 for 7 and see what that brings up and as it turns out if I scroll up to the very top here class 1 1 4 has to do with ships so apparently my canoe seat is gonna fall under this larger category of ships so 1 1 4 3 4 7 has to do with canoes or kayaks so that's great that's a that's probably a good class for me to search in and remember we also had the class 1 1 4 3 6 3 and some 1 1 4 3 6 3 has to do with seats and a foot support for boats our boat components so either one of these classes would be a good area for me to kind of dive into and search and so the way you can do that from this patent screen is every time you see a blue a that will link you to currently pending patent applications that are in that class and subclass wherever you see a red P if you click on that that will pull up all of the issue patents in that class or subclass so let's go to our class 1 look for 3 4 7 and click on the red P buttoned button and again this is for the canoe or kayak class and this says that it found 288 issue patents because we're in the P section P for patents 288 issued patents that were in the class relating to canoes or kayaks and so you can either start clicking through these one at a time or an even better strategy would be to click the link up here that says quick and that's going to open up the USPTO search screen and again this is for issue patents and I'm going to type in 1 1 4 comma 3 4 7 which was class subclass relating to canoes and kayaks in the drop-down field I'm gonna change this to current US classification and then I can start playing around with different search terms that I'm interested in so for my hypothetical example we're doing a canoe seat so if I type in seat and let's say I just choose the title field and hit Search I get about 16 results so these are going to be very closely related to my invention because these should all be seats in the canoe or kayak subclass and then so you can start playing around with different terms like foldable seat or floating seat or over all the different terms for your invention and the problem with the US Patent Office search system is that when you click on one of their patents this is the search screen that you get and you can see it's not as clean or as crisp as Google it doesn't give you the image is it doesn't give you the link to download the PDF so I hate to tell you to go back but really I like to go back to Google pens advanced search screen and then under the current US classification we can type in our class 1 1 4 3 4 7 and then in the title screen type in seat hit search and we have a lot better easier to navigate searching system so I hope this video was helpful for you please visit our website patent file or to learn more about provisional patents and other neat patent searching tricks thank you

Thanks for your comment Lynna Krise, have a nice day.
- Chong Dawes, Staff Member

this video is just a few quick tips to get you up and running with classification searching here we go first google patents is where i do most of my patent searching but there are a couple of tools that tend to be superior when it comes to classification searching and where i would like you to go instead of google patents is espacenet.com when you go there you can see right here there's several tabs and classification searching is one of them this is something that is probably the best search on the web when it comes to classification searching you can start with any one of these categories and it's just a matter of drilling down to get to what you want the other thing that you can do is go up into the search bar and type in something that you're interested in once you do that you'll get a series of results and if you're interested in something in particular here we have cycle frames what you can do is click down and the basic thing that you're interested in doing to drill down and find what is most critical to you or the classification that's important to you is to start by looking at the dots and you start by looking at the first dot and you say is the thing i'm looking for characterized by material or cross section of frame members if the answer is yes you would drill further down and look at further dots if the answer is no you may scroll down until you find something else say and when you do scroll down what you would scroll down to is not the subsequent higher number of dots you would scroll down to the next one so the second question you would ask yourself if the first answer was no is does the invention i'm looking for have joints between frame members in this case we'll say the answer is yes and you may look and say a follow-up question if the answer is yes are they welded soldered or brazed if the answer to that is yes you can see under here there are no more specific categories so this would be the category that you're looking for or the classification that you're looking for it's b 62k 19 20. how you would read this is that you're interested in cycle frames with joints between frame members and those joints are welded soldered or braised once you decide that's what you're interested in you can check that box and what you would be doing by checking that box is giving yourself the opportunity to look for patents that are specifically in the category of cycle frames that have joints between frame members that are welded soldered or brazed to look in that category you go to find patents on the left hand side you have the list of patents that fulfill all those characteristics and are in that classification you can click on individual references and review those something you need to understand about the classification system is that it goes from broad to narrow so if you start with a classification that says b 92k that by itself is a pretty broad category if you put that in and you search a broad category you're going to have a tremendous number of patents that are inside of that category once you start adding additional categorizations on there they're basically subcategories and then subcategories within subcategories like adding the 1920 on the end of the b92k then you are in a very narrow classification and only a small number a relatively small number you may find hundreds of patents but it is relatively small in that it's not ten thousand patents that you're looking for so you need to understand each time you search and you use classifications to limit your search that you're searching in a group that at least you know how big the group is so you don't want to be searching in a very small group and think that you've done a very broad search if you are interested in searching in google patents and that's where you're most comfortable you can take the classifications that you find on espacenet.com for example you can go search b62k in google patents it will recognize that you're searching in a international classification and give you things that are in that international classification if you want to go very narrow that's the broad classification b62k if you want to search in the individual smaller classification you can give google patents the b62k put in a spacebar and then put 1920 it will also recognize that i hope you're able to use these classification tools to help you have a better search good luck searching

Thanks Fumiko your participation is very much appreciated
- Chong Dawes

About the author

Chong Dawes

I've studied dissemination at California Western School of Law in San Diego and I am an expert in forensic psychology. I usually feel sick. My previous job was physical therapist aides I held this position for 2 years, I love talking about medical science and fighting. Huge fan of Cate Blanchett I practice olympic sports and collect petroliana.