PATENT CLAIM ANALYSIS

Application Number: 15752397
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-01
Patent Classification: ["530", "412000"]

Abstract:
The present invention relates to methods of separating polypeptides of interest from contaminants, including DNA and undesired polypeptides, in a common fluid by precipitation of the polypeptides of interest or, alternatively, the contaminants using the combination of steric exclusion agents and charge neutralization agents.

Claim (Index 1):
A method of separating a polypeptide of interest and a contaminant in a fluid by precipitation, comprising contacting the fluid with a combination of a steric exclusion agent and a charge neutralization agent in a single precipitation step, thereby separating the polypeptide of interest from the contaminant by precipitation.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 88.0
- Lexical Diversity: 1.44118
- Patent Class: 530.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11360938', '12974792', '11936866', '13108576', '13554501']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6332778015070246
- 35 USC 102 Novelty (BERT): 0.4745019281876209
- Combined Prediction Score: 0.6174002141750843
- Mean Citation Score: 145.29058600000005
- Max Citation Score: 153.76576
- Similarity Product: 106.95830372600555

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

Dataset: test