Search found 11 matches

by Darwin
Sat Aug 22, 2020 10:49 am
Forum: PATSTAT Product Line
Topic: To compute generality index of a patent
Replies: 0
Views: 1351

To compute generality index of a patent

Hello, I am trying to compute the generality index of each patent. to set the sample of patent, 1) I only focus on Ipr_type='PI'. 2) only include the earliest success patent for each docdb_famliy_id. According to this, when I am computing the generality index of these patents, should I exclude the c...
by Darwin
Wed Aug 19, 2020 10:51 am
Forum: PATSTAT Product Line
Topic: Should we set a time window when computing generality or originality index?
Replies: 1
Views: 357

Should we set a time window when computing generality or originality index?

Hello, Should we set a time window when computing generality index or originality index of a patent? I suppose we should set a time window, which just like computing the number of citation of each patent (as the earlier application tends to be cited more than the later applications because it exists...
by Darwin
Mon Aug 17, 2020 2:43 pm
Forum: PATSTAT Product Line
Topic: difference between CITED_PAT_PUBLN_ID and CITED_APPLN_ID
Replies: 2
Views: 661

difference between CITED_PAT_PUBLN_ID and CITED_APPLN_ID

Hello,

What is the difference between CITED_PAT_PUBLN_ID and CITED_APPLN_ID when I want to compute the generality and originality index of a patent ? I suppose I only need to use CITED_APPLN_ID, is this correct?

Thanks in advance.
by Darwin
Mon May 25, 2020 12:15 am
Forum: PATSTAT Product Line
Topic: the first application of each DOCDB_FAMILY_ID
Replies: 1
Views: 632

the first application of each DOCDB_FAMILY_ID

Hi, I am trying to measure a country's innovative ability via the number of applications of the country's residence(applicant). But, I am confused about how to identify the first application of each DOCDB_FAMILY_ID. At the beginning, I want to use the earliest_filing_id of each DOCDB_FAMILY_ID. Howe...
by Darwin
Tue May 12, 2020 2:29 am
Forum: PATSTAT Product Line
Topic: a country's innovation ability per year by using the number of successfully patent applications (at family level)
Replies: 1
Views: 624

a country's innovation ability per year by using the number of successfully patent applications (at family level)

Hi, Could you please give me some suggestions to measure a country's innovation ability per year by using the number of successfully patent applications (at family level)? I do the following things, (i) identify the first time an invention is patented and call it the “original patent”, (ii) record t...
by Darwin
Mon May 11, 2020 11:37 pm
Forum: PATSTAT Product Line
Topic: primary assignee
Replies: 1
Views: 668

primary assignee

Hi,

I am confused about who is the primary assignee of a patent? Is it the inventor or the applicant?

Besides, does PATSTAT has variable identify who contribute more to an invention?
Could you please give me some suggestions about this?

Thanks in advance.
by Darwin
Thu May 07, 2020 1:27 pm
Forum: PATSTAT Product Line
Topic: appln_filing_date or earlist_appln_date
Replies: 3
Views: 776

Re: appln_filing_date or earlist_appln_date

Hi,

Thanks for your reply.

But I do not find the proxy for the "succes of the family". (I am using the 2016 Autumn edition) could you please tell me which attribute it is ?

thanks in advance.
by Darwin
Wed May 06, 2020 3:37 pm
Forum: PATSTAT Product Line
Topic: appln_filing_date or earlist_appln_date
Replies: 3
Views: 776

appln_filing_date or earlist_appln_date

Hi I am trying to measure an applicant's innovative ability by using the number of successful patents in a specific year. it is 1)based on the family level(DOCDB_family_id) 2) identify the first time an invention is patented and call it the “original patent”. (WHERE granted = 1 /* there exists a pub...
by Darwin
Wed Jun 13, 2018 4:49 pm
Forum: PATSTAT Product Line
Topic: How to count forward citations by company
Replies: 1
Views: 3307

Re: How to count forward citations by company

Hello Lucena, My aim is to count the the number of forward citations of companies' granted patents per company per year, which is similar to you. Thanks for your code, it gives me much inspiration. But I am confuse why you do not use EARLIEST_FILING_ID instead of APPLN_ID? As EARLIEST_FILING_DATE of...