PATENT CLAIM ANALYSIS

Application Number: 16073606
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-02
Patent Classification: ["546", "112000"]

Abstract:
The present invention relates to process for preparation of ledipasvir of formula 1 and its novel intermediates. The process involves reaction of compound of formula 2 with compound of formula 3 to yield a compound of formula 4, deprotection of compound of formula 4 to yield compound of formula 5 and conversion of compound of formula 5 to Ledipasvir wherein PG is an amine protecting group provided that amino protecting group is not carbomethyloxy (—COOCH3) group; X and Y are leaving groups.

Claim (Index 29):
A compound of formula 3 or pharmaceutically acceptable salts or solvates thereof: wherein X is a leaving group; PG is amine protecting group provided that amino protecting group is not carbomethyloxy (\u2014COOCH 3 ) group.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 95.0
- Lexical Diversity: 1.69231
- Patent Class: 546.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15196248', '13884578', '15030990', '14814392', '13800202']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7444284265941667
- 35 USC 102 Novelty (BERT): 0.5327568075819586
- Combined Prediction Score: 0.7232612646929459
- Mean Citation Score: 236.09518
- Max Citation Score: 335.81982
- Similarity Product: 215.8116476469397

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

Dataset: test