PATENT CLAIM ANALYSIS

Application Number: 15893716
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["435", "395000"]

Abstract:
The disclosure provides a cell culturing article. The cell culturing article includes a substrate having a surface, a hydrophilic copolymer layer positioned on the surface of the substrate, and a plurality of peptide chains individually conjugated to a surface of the hydrophilic copolymer layer. The hydrophilic copolymer layer is copolymerized by a plurality of polyvinyl alcohol units, a plurality of polyvinyl alcohol derivative units, and a plurality of units containing at least one carboxyl group. A method for manufacturing the cell culturing article, a method for culturing undifferentiated stem cells and a method for regulating stem cell differentiation are also provided herein.

Claim (Index 3):
The cell culturing article of  claim 1 , wherein the units containing at least one carboxyl group comprise itaconic acid.

Metadata:
- Claim Count in Document: 23.0
- Percentile: 88.0
- Lexical Diversity: 2.09434
- Patent Class: 435.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14188704', '12362924', '12783125', '12788917', '12788942']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5577749131597565
- 35 USC 102 Novelty (BERT): 0.559450995557056
- Combined Prediction Score: 0.5579425213994864
- Mean Citation Score: 244.611002
- Max Citation Score: 428.39545
- Similarity Product: 330.4645457565903

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