PATENT CLAIM ANALYSIS

Application Number: 15987525
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["549", "458000"]

Abstract:
The problem of the present invention is to provide a useful prodrug compound of a naphthofuran compound. The present invention relates to a compound represented by the formula (IA): [wherein each symbol is as described in the DESCRIPTION] or a pharmaceutically acceptable salt thereof.

Claim (Index 4):
The compound according to  claim 2 , wherein\n R 2  is C 1-6  alkyl optionally substituted by substituent(s) selected from substituent group \u03b1, C 2-6  alkenyl optionally substituted by substituent(s) selected from substituent group \u03b1, C 3-7  cycloalkyl optionally substituted by substituent(s) selected from substituent group \u03b1, aryl optionally substituted by substituent(s) selected from substituent group \u03b1, aryl C 1-6  alkyl optionally substituted by substituent(s) selected from substituent group \u03b1, or a heterocyclyl group optionally substituted by substituent(s) selected from substituent group \u03b1, and the substituent group \u03b1 consists of a halogen atom, hydroxy, optionally substituted amino, carboxy, a sulfo group, a phosphoric acid group, cyano, C 1-6  alkyl, C 3-7  cycloalkyl, C 1-6  alkoxy, aryl and a heterocyclyl group, or a pharmaceutically acceptable salt thereof.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 93.0
- Lexical Diversity: 1.37838
- Patent Class: 549.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15317471', '13266976', '15874768', '14391386', '15763389']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7286583703262979
- 35 USC 102 Novelty (BERT): 0.6067662721857897
- Combined Prediction Score: 0.7164691605122471
- Mean Citation Score: 361.840888
- Max Citation Score: 549.78204
- Similarity Product: 453.563655303011

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test