Search found 4 matches

by smartrah
Mon Oct 01, 2018 10:33 am
Forum: PATSTAT Product Line
Topic: "Dead or Alive" identification of patents
Replies: 1
Views: 604

Re: "Dead or Alive" identification of patents

I have something to add to my post, especially wrt Chinese legal status codes on fee payments. On this website - http://www.stn-international.com/stn_news_message_2017.html?&cHash=2d65f6b15e7bce61e710cb77ab61da04&tx_ttnews[tt_news]=2044 I saw the following codes for fee payments: PAYMENT OF ANNUAL F...
by smartrah
Sat Sep 29, 2018 12:57 pm
Forum: PATSTAT Product Line
Topic: "Dead or Alive" identification of patents
Replies: 1
Views: 604

"Dead or Alive" identification of patents

Hello PATSTAT users, I would like to ask what is the preferred way to identify whether a patent is dead or alive (in general)? I am using the value "PAYMNT" in column "lecg_name" of tls803. If the PAYMNT event is "recent". Then I am assuming the patent is currently active. But, now it appears that P...
by smartrah
Sat Aug 11, 2018 6:59 am
Forum: PATSTAT Product Line
Topic: Estimating US patent "oppositions"
Replies: 3
Views: 1588

Re: Estimating US patent "oppositions"

Thank you Martin for your answer. I will look forward to the new version of PATSTAT. Meanwhile, I have a possible irregularity to point out in "OPPOS" groupings. When searching for opposed EP patents, OPPOS also returns patents where "no opposition was filed". For example, patent with epodoc number:...
by smartrah
Thu Jun 21, 2018 7:01 am
Forum: PATSTAT Product Line
Topic: Estimating US patent "oppositions"
Replies: 3
Views: 1588

Estimating US patent "oppositions"

Hello! I have been trying to find out how many "oppositions" a certain company is involved in in the USPTO. I used PATSTAT online (spring 2018) and used "OPPOS" as lecg_name in tls803_legal_event_code. I understand "OPPOS" contains reexaminations, covered business methods, inter-partes reviews, post...