Format is Y or null.
Applicants under Section 505(b)(2) are not required to certify to patents where this flag is set to Y.
based on a paragraph IV certification to this patent for a certain period.
under Section 505(j)(5)(D)(i) of the Act, a first applicant may retain eligibility for 180-day exclusivity
Patent Delist Request Flag.  Sponsor has requested patent be delisted.  This patent has remained listed because,
May repeat for multiple applications, multiple products and multiple patents.  Format is nnnnnnnnnn.
Patent Use Code.  Code to designate a use patent that covers the approved indication or use of a drug product.
indicating the sponsor submitted the patent as claiming the drug product.   Format is Y or null.
Drug Product Flag.  Patents submitted on FDA Form 3542 and listed after August 18, 2003 may have a drug product flag
indicating the sponsor submitted the patent as claiming the drug substance.   Format is Y or null.
Drug Substance Flag.  Patents submitted on FDA Form 3542 and listed after August 18, 2003 may have a drug substance flag
The format is MMM DD, YYYY.
Patent Expire Date.  The date the patent expires as submitted by the applicant holder including applicable extensions.
Format is nnnnnnnnnnn.
May repeat for multiple applications and multiple products. Includes pediatric exclusivity granted by the agency.
Patent Number.  Patent numbers as submitted by the applicant holder for patents covered by the statutory provisions.
Each strength is a separate product.  May repeat for multiple part products. Format is nnn.
Product Number.  The FDA assigned number to identify the application products.
New Drug Application (NDA) Number The FDA assigned number to the application.  Format is nnnnnn.
New Drug Applications (NDA or innovator)  are "N".   Abbreviated New Drug Applications (ANDA or generic) are "A".
New Drug Application Type.  The type of new drug application approval.
Source Text File: patent.txt
Source File URL: www.fda.gov/downloads/Drugs/InformationOnDrugs/UCM163762.zip
Source Page: http://www.fda.gov/Drugs/InformationOnDrugs/ucm129662.htm
NBER URL:  http://www.nber.org/data/fda-orange-book-data.html
by Jean Roth , jroth@nber.org , 28 Apr 2017