Gilles 'SO- stop being evil'
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9 answers
39 votes
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Prior art for linked list (secondary and tertiary traversal)?
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35 votes

This isn't exactly about a doubly-linked list, but rather about an object that contains two “next” pointers that let it be included in two unrelated linked lists. While a doubly-linked list is a ...

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8 answers
25 votes
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How can I perform a global patent search for free?
19 votes

WIPO has a patent search interface that covers PCT applications and many national databases, including Europe, Japan, Korea, Russia, many Latin American countries, and more. I think all currently-...

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2 answers
18 votes
3k views
How to make an invention un-patentable easily?
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14 votes

A publication doesn't have to be official to count as prior art against the novelty of a patent application. Defensive publication is not regulated by any particular formalism. You must take care ...

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4 answers
12 votes
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Can one patent software if that software uses a library that is Apache License, BSD, or MIT?
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11 votes

First, the patent system doesn't care about software licenses. Conversely, copyright doesn't care about patent licenses (it's automatic anyway). The only place where patents and copyright might ...

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1 answers
14 votes
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When patenting in the United States, what impact does patenting in other countries too have?
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11 votes

Unlike copyright, a patent is only valid in a country where it has been filed, accepted and registered. A US patent gives you an exclusive right to use your invention (including manufacturing a ...

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8 answers
36 votes
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Can a sci-fi technology be submitted as prior art?
9 votes

There is no intrinsic reason why a work of fiction could not considered prior art. It doesn't matter whether an invention is the result of the inventor's imagination, or of a series of experiment, or ...

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3 answers
7 votes
489 views
Are patents which are dependent on prior inventions valid?
6 votes

Almost every patent depends on a prior invention. If the invention is a material object, it probably depends on metal or plastic production techniques, chemical engineering, and other steps necessary ...

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2 answers
8 votes
862 views
Practicality of faster than light travel
6 votes

The applicable limitation here is utility. Broadly speaking, utility means that the invention must have some practical use. As described, the invention does have a practical use, which is “to transmit ...

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5 answers
12 votes
867 views
Patent on comparing two values which are put through a hash function to determine if the same
6 votes

Let's look at a typical case, in plain English. (A) for a first data item comprising a first plurality of parts, Consider a file or message A composed of several blocks A1,…,An, where each block ...

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2 answers
13 votes
290 views
Is there a specified route to convert UK patents to US patents?
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5 votes

The usual way to have a patent recognized outside your home country¹ is to make a PCT application. A majority of countries are PCT members (Taiwan is the most notable exception). The PCT application ...

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2 answers
4 votes
229 views
Taking ideas from other apps
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4 votes

As far as patents (the topic of this site) are concerned, yes, there is a risk that reproducing that application will infringe on some patents. These patents may be held by the author of the ...

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4 answers
2 votes
705 views
Prior art for an apparatus for sound direction finding
2 votes

Learning Sound Location from a Single Microphone by Ashutosh Saxena and Andrew Y. Ng, presented at ICRA 2009 in May 2009, anticipates claims 1–3, albeit not by the one-year period required in the US ...

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1 answers
2 votes
74 views
Who has the rights this patent?
1 votes

Lee John B is listed as inventor and original assignee of the patent. The inventor is the person who made the invention. The assignee is the person or organization that owns the economic rights to the ...

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1 answers
3 votes
1k views
Would it be legal to use Square's credit card reader for a startup?
1 votes

This particular patent covers the card reader device. If you purchase such a device and use it, the patent does not apply to you: it would only apply if you wanted to manufacture or sell a device ...

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2 answers
4 votes
606 views
Can a new idea for a software project be an intellectual property?
1 votes

There are two forms of intellectual property that might apply here: patents and copyright. Patents can cover the idea but require considerable effort to get. Copyright is automatic but does not cover ...

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