6 votes
Accepted

How can I perform a global patent search for free?

The Lens, started as Patent Lens 15 years ago, is open, free, no advertising (secure) and a public service. It searches in over 90+ jurisdictions and hosts 100M patent records. It is not just ...
Richard Jefferson's user avatar
5 votes

How can I perform a global patent search for free?

DEPATISnet is the best option. It is a completely free database and belongs to German Patent Office. I have worked on the database for over three years and found that the result quality is as ...
Arun Kumar's user avatar
4 votes
Accepted

What is a Formal Patent Search of Classification in Canadian patent law?

What is this Formal Patent Search of Classification? I haven't been able to find any information on it online. Does it differ from a preliminary patent search (as explained on the CIPO website) in ...
RishiM's user avatar
  • 1,191
4 votes
Accepted

Is searching by CPC adequate while performing a patent search?

No. As mentioned in a comment, patents and patent publications are not the only sources of prior art. Professional technical journals, magazine articles, books and even youtube videos could contain ...
George White's user avatar
  • 28.9k
3 votes

Is there a way to filter enormous Patent results?

You can either use keywords for filtering, or something better, use the patent classifications systems put in place by different patent offices. Based on the technical details of the invention, the ...
the Europeist's user avatar
3 votes

What are the best prior art databases and search tools?

In my corporate life I used paid services such as Micropatent and TotalPatent. Of the free patent search tools, I prefer The Lens over Google patents. The Lens provides more fine grained control and ...
Eric S's user avatar
  • 11.1k
3 votes
Accepted

Searching for "important" patents

My go to site for this sort of thing is Lens. It is one of the best for structured patent searching and you have many options for ordering results including "Relevance", "Cited by ...
Eric S's user avatar
  • 11.1k
2 votes

How can I perform a global patent search for free?

You can use Google Patent Search to conduct free patent searches. It contains more than 87 million patents from 17 patent offices. Added to that, its sleek UI and some functionalities that help you ...
Shabaz Khan's user avatar
2 votes

Is patent search reserved to agents or attorneys? Is searcher accountable?

Anyone can provide the services of a novelty/patentablity search or patent landscape report. However, a freedom to operate analysis is a different story. Even as a registered patent agent I am leery ...
George White's user avatar
  • 28.9k
2 votes

USPTO patent search database no longer secure over web SSL https

You might try Espacenet, The Lens or PatentScope - all are https
George White's user avatar
  • 28.9k
2 votes
Accepted

Find patents with classification that have been reexamined

USPTO's PatFT provides functionality for this. In particular, the re-examination certificate (REEX, where REEX=YES refers to a certificate of re-examination being present) and current CPC ...
Maca's user avatar
  • 6,178
2 votes

Search engine to find all prior patents of patent attorney

For the U.S. you can go to its patent search page and search for Legal Representative (LREP). I tried it with my first name last name, got 0 hits; first name middle initial last name, got 0 hits. Then ...
George White's user avatar
  • 28.9k
2 votes

How do I tell whether a paper, published online, is patented

As mentioned in a comment, patent applications are not published until 18 months after initial filing. If it is a U.S. only filing it is possible that non-publication was requested and no publication ...
George White's user avatar
  • 28.9k
2 votes

Is there a way to filter enormous Patent results?

Google patents offers many ways to narrow a search. You might start with google patents advanced. It also has an "about" section. You can limit a search by country, status, just look in title, etc. ...
George White's user avatar
  • 28.9k
2 votes
Accepted

Are there differences between Google Patents, Espacenet, The Lens and PatentScope?

Yes - there are differences amoung these and others. The number of fields you can independently search with google patents is very limited and they are thought of as missing some recent documents. ...
George White's user avatar
  • 28.9k
2 votes

Are there differences between Google Patents, Espacenet, The Lens and PatentScope?

As an aside to George Whites excellent answer, if you know the patent or application number, Google Patents is generally the fastest way to the document. That said, I greatly prefer The Lens. When ...
Eric S's user avatar
  • 11.1k
2 votes
Accepted

Why advance google patent search not returning expected results?

I see a few problems with your string. A simple problem is your title search. It starts TI=(keyword1) . . . The closing of that parentheses signifies that your specification of the title is complete. ...
George White's user avatar
  • 28.9k
2 votes

A U.S. patent is to issue on a future date; is there any way to view the patent prior to the date of issue?

I do not think so. Things can go wrong in the production of the final text which very often involves incorporating amendments. The first you see the final version is the day of issue. The best you can ...
George White's user avatar
  • 28.9k
1 vote
Accepted

How do I find a patent from its number?

I do not think that number leads to anything, but the company that is mentioned in the article that attributed that number to them does have a published US patent application. It is Methods And ...
George White's user avatar
  • 28.9k
1 vote

Is there a professional cost efficient novelty search?

In the past I got several good searches with KPO as ISA. From the U.S. the cost is still about 1/2 what it would be from the EPO. When I started using Korea they were new and charged even less. It is ...
George White's user avatar
  • 28.9k
1 vote
Accepted

Is there a professional cost efficient novelty search?

There is no particular office I would say. Some patent offices have examiners more knowledgeable in some topics than others, then some examiners are better than others. You could file the same ...
the Europeist's user avatar
1 vote
Accepted

How to perform search for protein or nucleotide search in uspto

I can't vouch for its effectiveness since I've never used it, but The Lens has patent sequence search facility. This page is specifically for searching sequences. I do use The Lens for regular patent ...
Eric S's user avatar
  • 11.1k
1 vote

Which is the best place to search for a filed/issued patent?

Personally, I find problems with Google Patents not finding all the relevant patents when I search. It is, however handy for finding an individual patent quickly. I prefer The Lens which I find more ...
Eric S's user avatar
  • 11.1k
1 vote

any other patents involving baseball caps for pigtails?

Performing a thorough patent search is a significant effort. Some people make a career of it. I think you should try to do it yourself first and then ask for help if you get stuck. Even though I don't ...
Eric S's user avatar
  • 11.1k
1 vote

combination patent - do I need to specify type of a component (sensor)?

Any element (e.g. motion sensor, means of communication and of interface between functional parts) which is well known in the industry field and performs routine function does not add "some thing more"...
AD Adhikary's user avatar
  • 1,072
1 vote
Accepted

Search Patents by applicant or assignee city?

The field search function of WIPO's Patentscope may help. For example, the search "AAD:(San Jose)" gives any application in which the applicant's address contains the string "San Jose". However, this ...
Maca's user avatar
  • 6,178
1 vote

What are the best prior art databases and search tools?

Well it depends on what's the purpose of prior art search and who's doing it. For example: If an inventor wants to do a prior art search just to determine if his invention is new or not, the easiest ...
Aditi Syal's user avatar
1 vote

How do we check if a patent already exists for our idea?

The best way to search if your idea has been patented is through the Google Patents application which can accept multiple names of ideas, synonyms and dates. For the link I provided, simply replace ...
J. Roibal - BlockchainEng's user avatar
1 vote

A patent for a specific wallet

According to this page, there is the notation "[Patent pending]" below one of the pictures. Unfortunately, I couldn't find any patents where Zenlet was listed as the owner or assignee on either ...
Eric S's user avatar
  • 11.1k

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