PATENT CLAIM ANALYSIS

Application Number: 15910911
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["713", "168000"]

Abstract:
A method is provided for managing key rotation (use of series of keys) and secure key distribution in over-the-top content delivery. The method provided supports supplying a first content encryption key to a content packaging engine for encryption of a first portion of a video stream. Once the first content encryption key has expired, a second content encryption key is provided to the content packaging engine for encryption of a second portion of a video stream. The method further provides for notification of client devices of imminent key changes, as well as support for secure retrieval of new keys by client devices. A system is also specified for implementing a client and server infrastructure in accordance with the provisions of the method.

Claim (Index 6):
The user equipment according to  claim 4 , wherein the computer-readable instructions are further configured to:\n responsive to determining that expiration of the current content encryption key is imminent, request the new content encryption key.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 90.0
- Lexical Diversity: 2.1129
- Patent Class: 713.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15067219', '13530997', '14266368', '14157710', '14563642']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4553008780007304
- 35 USC 102 Novelty (BERT): 0.5463331735579579
- Combined Prediction Score: 0.4644041075564531
- Mean Citation Score: 302.1145640000001
- Max Citation Score: 406.1516
- Similarity Product: 307.85413169128896

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