Construction of Standard Essential Patent Value Classification Recognition System Under the Background of Infringement Litigation
Received date: 2023-05-08
Online published: 2025-04-28
[Purpose/Significance] Based on machine learning algorithm, an automatic classification and screening model based on multi-modal feature fusion is constructed for industry standard patents. The research also explores a classification indicator system for the value of standard-essential patents in the context of infringement litigation. [Method/Process] First, standard necessary patents after infringement litigation in USPTO are used as marker data. Then, the text data and indicator data are integrated with dimensionality reduction, and the patent classification and screening model based on supervised and semi-supervised learning machine model is established. Finally, the standard patents of digital creative industry are classified and screened. [Result/Conclusion] The average F1 value of the four models constructed in this paper is above 0.8 on the test set, among which the pseudo-labeled random forest model has the best performance and the average F1 value reaches 0.871 06.
Qining Peng , Bingxiang Liu , Zhenkang Fu , Wenyu Bei . Construction of Standard Essential Patent Value Classification Recognition System Under the Background of Infringement Litigation[J]. Knowledge Management Forum, 2023 , 8(6) : 461 -475 . DOI: 10.13266/j.issn.2095-5472.2023.037
表1 重点专利筛选指标Table 1 Key Patent Screening Indicators |
| 指标维度 | 指标名称 | 指标含义 |
| 技术层面 | 技术先进性 | 反映目标专利技术的先进性和前沿性 |
| 技术稳定性 | 反映目标专利对抗无效请求的能力 | |
| 家族引证次数 | 同族专利中引用其他专利文献的总和 | |
| 家族被引证次数 | 同族专利中被引用专利文献的总和 | |
| IPC个数 | 反映目标专利的技术应用广度 | |
| 被引证次数 | 目标专利文献的被引证次数 | |
| 引证次数 | 反映目标专利的技术影响力 | |
| 法律层面 | 权利要求数量 | 目标专利的权利要求数 |
| 保护范围 | 反映目标专利的技术特征数量 | |
| 转让次数 | 目标专利发生转让的次数 | |
| 首权字数 | 目标专利的独立权利要求字数 | |
| 市场层面 | 简单同族个数 | 反映目标专利的布局国家数量 |
| 扩展同族个数 | 有间接相同关系优先权号的专利个数 | |
| DocDB同族个数 | 一个发明在不同的国际(国家)专利局的申请个数 |
表2 模型参数Figure 5 The importance of measurement index characteristics |
| 算法名称 | 参数组合 |
| 监督学习 | |
| Naïve Bayesian | KNeighborsClassifier(n_neighbors=8) |
| K-Nearest Neighbor | GaussianNB(priors=None,var_smoothing=1e-9) |
| 半监督 | |
| Transductive Support Vector Machine | make_classification(n_samples=200, n_features=3, n_redundant=1,n_repeated=0,n_informative=2, n_clusters_per_class=2,random_state=30) |
| Pseudo-Labelling+Random Forest | RandomForestClassifier(n_estimators= 250, max_depth=3, min_samples_split=80, |
表3 模型评估指标Table 3 Model evaluation indicators |
| 模型 | Accuracy | Precison | Recall | F1 | Auc |
| Naïve Bayesian | 0.756 7 | 0.686 93 | 0.937 7 | 0.792 98 | 0.858 22 |
| K-Nearest Neighbor | 0.823 5 | 0.736 84 | 0.583 33 | 0.848 92 | 0.837 12 |
| Transductive Support Vector Machine | 0.823 5 | 0.736 8 | 0.880 5 | 0.848 92 | 0.837 12 |
| Pseudo-Labelling+Random Forest | 0.869 07 | 0.858 | 0.871 06 | 0.871 06 | 0.925 49 |
表4 未标记数据特征Table 4 Unlabeled data features |
| 计量指标 | 无效 | 有效 |
| 简单同族个数 | 19.212 752 91 | 17.774 193 55 |
| 技术稳定性 | 8.765 174 73 | 8.958 944 28 |
| 权利要求数量 | 19.427 345 19 | 24.296 187 68 |
| 引证次数 | 3.110 361 74 | 3.416 422 28 |
| 被引证次数 | 0.914 163 09 | 0.243 401 76 |
| 转让次数 | 0.326 180 25 | 0.331 378 29 |
| 技术先进性 | 9.218 270 99 | 9.653 958 94 |
| 保护范围 | 9.902 513 79 | 9.953 079 17 |
| 扩展同族个数 | 90.880 441 45 | 183.252 199 40 |
| 家族引证次数 | 20.517 473 94 | 17.627 565 98 |
| 家族被引证次数 | 46.391 171 06 | 56.609 970 67 |
| DocDB同族个数 | 22.344 573 88 | 21.859 237 54 |
| IPC个数 | 5.001 226 24 | 5.002 932 55 |
| 首权字数 | 288.593 500 90 | 258.844 574 80 |
表5 标准必要重点专利清单Table 5 List of standard essential key patents |
| 序号 | 标题 (中文) | 申请号 | IPC主分类 | 专利类型 | 预测结果 |
| 1 | 服务层注册 | CN201680057481.7 | H04L29/06 | 发明授权 | 有效 |
| 2 | 用于安全监视虚拟网络功能的安全个性化的系统、装置、方法 | CN201680028098.9 | H04L12/24 | 发明授权 | 有效 |
| 3 | 用户设备、媒体流传输网络辅助节点和媒体流传输方法 | CN201680056851.5 | H04L29/06 | 发明授权 | 有效 |
| 4 | 用于机器对机器通信的网络辅助引导自举 | CN201910079015.4 | H04L29/06 | 发明授权 | 有效 |
| 5 | 对于未认证用户通过WLAN接入3GPP演进分组核心支持紧急服务 | CN201680077993.X | H04W12/08 | 发明授权 | 有效 |
| 6 | 网际协议头置换映射关系的获取方法及网络节点 | CN201710185297.7 | H04W28/06 | 发明授权 | 有效 |
| 7 | 信息处理方法和装置、电子设备、计算机可读存储介质 | CN201810224473.8 | G06F3/01 | 发明授权 | 有效 |
| 8 | 矢量量化 | CN201710072586.6 | G10L19/038 | 发明授权 | 有效 |
| 9 | 资源申请、分配方法,UE及网络控制单元 | CN201610077663.2 | H04L29/08 | 发明授权 | 有效 |
| 10 | 一种网络认证方法、用户设备、网络认证节点及系统 | CN201710060133.1 | H04L29/06 | 发明授权 | 有效 |
| 11 | 密钥分发、认证方法,装置及系统 | CN201610268327.6 | H04L29/06 | 发明授权 | 有效 |
| 12 | 包括变化的元数据等级的用于控制颜色管理的可缩放系统 | CN201610544390.8 | H04N1/60 | 发明授权 | 有效 |
| 13 | 一种加密方法、解密方法和相关装置 | CN201610119546.8 | H04L9/06 | 发明授权 | 有效 |
| …… | …… | …… | |||
| 341 | 用于使用应用专用网络接入凭证到无线网络的受担保连通性的装置和方法 | CN201680016150.9 | H04L29/06 | 发明授权 | 有效 |
表6 诉讼风险专利清单Table 6 Litigation risk patent list |
| 序号 | 标题 (中文) | 申请号 | IPC主分类 | 专利类型 | 预测结果 |
| 1 | 通过修改调制星座图来表明信息的方法和装置 | CN201110072089.9 | H04L27/20 | 发明授权 | 无效 |
| 2 | 一种IMS网络中用户终端接入鉴权的方法 | CN200610108782.6 | H04W12/06 | 发明授权 | 无效 |
| 3 | 不同无线接入技术间切换时安全协商的方法和装置 | CN200710099176.7 | H04W36/14 | 发明授权 | 无效 |
| 4 | 通过修改调制星座图来表明信息的方法和装置 | CN200580007916.9 | H04L12/28 | 发明授权 | 无效 |
| 5 | 一种active状态下的密钥更新方法和设备 | CN200710151885.5 | H04W12/04 | 发明授权 | 无效 |
| 6 | 一种丢帧隐藏装置和方法 | CN200610087475.4 | H04L1/00 | 发明授权 | 无效 |
| 7 | 一种在移动通信系统中转移用户设备的方法及系统 | CN200610115390.2 | H04Q7/38 | 发明授权 | 无效 |
| …… | …… | …… | |||
| 1631 | 数据压缩和解压缩中的参数选择 | CN03818069.3 | G06T9/00 | 发明授权 | 无效 |
彭启宁:数据分析与论文撰写;
柳炳祥:数据分析与论文指导;
付振康:数据收集与整理;
贝汶瑜:数据收集与整理。
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