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2 votes

Can a patent have 2 different CPC classes?

Nothing for you to worry about. The classification systems exist for two reasons. It is how the examining corp is organized. Examiners become experts in one or more related classes. Your examiner will ...
George White's user avatar
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2 votes

Would I be infringing on a patent with a accessory for the patented design?

I can't give you specific legal advice because I'm not a lawyer and because I do not know the specifics of the situation. Just because someone has a product does not mean it is patented. Foosball ...
Eric S's user avatar
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1 vote

USPTO classification databse

The Lens provides classification codes as fields. You can download the results of a search to various formats including CSV and JSON files. I just tested it and got the following column headers ...
Eric S's user avatar
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1 vote

Patent classification for file format encoding/decoding algorithm

The classification systems can be confusing. In the U.S., besides the old USPC, we now have the CPC which is based on a more international system. Somewhat analogous to imperial units vs metric. The ...
George White's user avatar
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1 vote

Would I be infringing on a patent with a accessory for the patented design?

Your only need permission from someone else if they hold a patent that your device infringes upon. Merely being an accessory to something does not mean you need the permission of the maker of that ...
George White's user avatar
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1 vote
Accepted

Can a patent have 2 different CPC classes?

I believe George White's answer solves your question. Notwithstanding, please note that how patent documents are classified in terms of IPC/CPC classes is different in each patent office. At the EPO, ...
the Europeist's user avatar
1 vote

Examination of applications with matter in more than one art unit/classification?

Yes, examiners just try to do their best. Some practitioners deliberately obfuscate the field of their invention in hopes to get an Examiner that will be more friendly (inexperienced) to the ...
BobtheMagicMoose's user avatar
1 vote

Statutory Class for COTS systems

The requirement for a single statutory class is per claim. Many patents have machine claims, and one or more types of process claims. A method of building the machine, a method of using the machine, ...
George White's user avatar
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