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6 votes

What is the best free reliable patent drawing software?

For 2d drawings- Draftsight. For 3d drawings- google sketchup. These two software are available for free to use. You may refer to this link to understand the importance of patent drawings in a ...
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  • 776
5 votes

Restrictions regarding drawings

You can put anything you want in a provisional application. Photos (even color photos) are frequently filed in regular utility applications too, but they don't reproduce well, so examiners will often ...
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  • 211
3 votes
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Can a patent drawing have numbers like 6A02, 6A04 etc?

The MPEP says reference characters are preferably numerical. Patent applications do not usually have "chapters" and there is no need to invent a convention like that. As mentioned, even numbers let ...
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  • 25.3k
3 votes

How to number the parts in the drawings?

If you are submitting a patent application to the U.S. Patent Office, then according to the Manual of Patent Examining Procedure 608(p): (1) Reference characters (numerals are preferred), sheet ...
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3 votes

Does USPTO accept a sequential diagram?

I agree Eric Shain. In fact, this kind of diagrams are quite popular en communication protocol related patents, where interactions between sender and receiver have a sequential order. For example, ...
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  • 106
3 votes
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Can I use microsoft Paint for drawings?

Can I use Microsoft Paint for drawings? Yes. There is no legal restriction on what software you use to produce the drawings initially. As long as the final product complies with the requirements of ...
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  • 7,033
3 votes

Can I use microsoft Paint for drawings?

Yes you can use MS Paint, but it isn't a good choice. Paint is a painting program which means it edits pixels. Thus its output when printed tends to look blocky and low quality. Much better is a ...
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  • 9,607
3 votes
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Color and shading in patent application?

In the U.S. drawings must be black and white only (no grayscale). For utility patent applications, any type of shading is typically fine (stipple or linear). However, the shading rules for design ...
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3 votes

What is the best free reliable patent drawing software?

An excellent free 3-D drawing tool is OnShape. It is free and runs within the browser so it works on any computer. Surprisingly capable. You can also generate 2D drawings. Much better than SketchUp ...
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  • 9,607
2 votes

What is the best free reliable patent drawing software?

SolidWorks, Alibre and Sketchup etc can be used. Please visit this site for a similar discussion.
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2 votes

What is the best free reliable patent drawing software?

Sign up for a Computer Aided Design (CAD) class at your local community college. With a .edu email you'll have access to the full suite of Fusion360 tools for free. You'll also learn a lot about the ...
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2 votes

What is the best free reliable patent drawing software?

SketchUp Make is the free version and works great. I filed my second provisional patent application using drawings created with SketchUp. You can download thousands of models and take parts or shapes ...
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2 votes
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How do I know if I infringe a patent?

This is the type of question that's probably best answered in consultation with a lawyer. It's hard for me to give you a helpful response that isn't specific legal advice. The risks of infringing (...
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2 votes
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Is one drawing enough for a business process patent for software algorithm?

Disclaimer: the following is just personal opinion. Always talk to your attorney for professional legal advices. You should read through all the claims and check if the specification & diagram ...
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  • 646
2 votes

Can drawings alone act as prior-art for a new invention filed?

For a European application, the answer is also yes, but only if the drawing (alone) contains enough detail to provide some technical teaching to the skilled person. The decision you identified, T204/...
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  • 7,033
2 votes

artwork missing from US9476133

For reasons no one can explain, Google provides two different sites for viewing patents www.google.com/patents and patents.google.com. Only patents.google.com reliably shows patent figures. I would ...
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  • 9,607
2 votes

Purpose of drawings

The purpose of drawings is to help explain the invention, including ensuring it is enabled. Consequently, you should include any drawings that would be useful for the reader to this end. If no ...
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  • 7,033
2 votes

Does USPTO accept a sequential diagram?

Diagrams, illustrations, photos and graphs are all allowed in a patent application. They are referred to as drawings under 35 U.S.C 113: The applicant shall furnish a drawing where necessary for ...
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  • 151
2 votes
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How to represent arbitrary text in a patent drawing

I do not think there is a 'recommended way', what you should do is explicitly state that the value/text could be something else as well. So in the drawings you include the text you mentioned or an ...
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1 vote

Does USPTO accept a sequential diagram?

I would expect that a drawing that conforms to USPTO drawing requirements (black and white comes to mind, exceptions for color is accepted only under documented conditions). A search of patents.google....
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  • 853
1 vote

Purpose of drawings

By law, patent applications need to include at least one patent drawing if the object or process is capable of being rendered in an illustration. However, it’s always worthwhile to try and include a ...
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1 vote

How to draw hierarchical structures?

I'm assuming you're drawing it digitally and not by hand, personally if by hand I would use small down arrows to say it's a lower level X. Digitally, maybe something along the lines of X_, X-, or X~?
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  • 11
1 vote

Why are the pictures not viewable?

Google/patents has some issues, patents.google however normally works fine: https://patents.google.com/patent/US20170027219A1/en
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  • 5,827
1 vote
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Annotating two portions connected by construction - Brake lines? Dotted Lines?

There is no one way to do this. As long as your drawings, when viewed in light of the description, are clear, there should be no problem. Thus using a dashed line to artificially divide the piece ...
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  • 7,033
1 vote

Can I use microsoft Paint for drawings?

I used MS Paint for my first provisional patent application. One hint is to also get Paint.Net. MS Paint can add a 'fog' of pixels around parts every time you make a change or copy. Running the ...
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1 vote

When will the patent office change for free the drawing published on an application?

"Changes to Implement Eighteen-Month Publication of Patent Applications" (which introduced the current publication regime) gives some explanation of the meaning of "material mistake": The phrase "...
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  • 7,033
1 vote

Can drawings alone act as prior-art for a new invention filed?

A drawing can certainly act a prior art on its own. The MPEP section on Drawings as Prior Art states (citations omitted): Drawings and pictures can anticipate claims if they clearly show the ...
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1 vote

Patent terminology: schematic vs diagrammatic views

Big difference in electronics. An electrical diagram show the sections of a circuit in a flowchart style without regard to physical space or connection of individual components. A schematic shows (...
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  • 19
1 vote
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Patent terminology: schematic vs diagrammatic views

No, those terms really do not have special distinct meanings in patent law (cf. comprising or consisting of). Generally however, the term "diagrammatic drawing" might be used for a simplified ...
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  • 491
1 vote

Where are the drawings for wo2004066851a2

Go to "http://worldwide.espacenet.com/" and find the application, and find the drawings under "Mosaics"(there are two pages of drawings). I am not sure is it acceptable to provide a direct link in ...
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