There are several law journals and publications that focus on the legal aspects of intellectual property rights, which can be beneficial for candidates preparing for the UPSC Law Optional subject. These resources provide valuable insights, analysis, and updates on intellectual property laws, cases, and developments. Here are some prominent law journals and publications in this field:

1. Journal of Intellectual Property Rights (JIPR):
The Journal of Intellectual Property Rights is a quarterly publication by the Council of Scientific and Industrial Research (CSIR) in India. It covers various aspects of intellectual property rights, including patents, trademarks, copyrights, and industrial designs. JIPR publishes research papers, case studies, and articles by experts in the field.

2. Intellectual Property Rights (IPR) Journal:
IPR Journal is a bi-monthly publication by the Intellectual Property Attorneys Association (IPAA) in India. It focuses on intellectual property rights and features articles, case studies, and interviews with leading practitioners and academicians. The journal covers topics such as patent law, copyright law, trademark law, and international IP issues.

3. Journal of Intellectual Property Law & Practice (JIPLP):
JIPLP is a leading international journal that covers all aspects of intellectual property law and practice. It provides in-depth analysis, case reports, and commentary on IP laws, policies, and developments from around the world. JIPLP is published by Oxford University Press and is a valuable resource for staying updated with global IP trends.

4. World Intellectual Property Organization (WIPO) Publications:
WIPO, a specialized agency of the United Nations, publishes a wide range of resources on intellectual property. These include books, reports, guidelines, and studies on various IP topics. WIPO publications are known for their comprehensive coverage, authoritative content, and global perspective.

5. Indian Journal of Intellectual Property Law (IJIP):
IJIP is a bi-annual publication by the National Law School of India University (NLSIU), Bangalore. It focuses on intellectual property law and covers topics such as patent law, copyright law, and trademarks. IJIP publishes articles, research papers, and case comments by scholars, practitioners, and students.

These law journals and publications provide a wealth of knowledge on intellectual property rights and can be immensely helpful for candidates preparing for the UPSC Law Optional subject. They offer a platform to learn about recent developments, understand legal principles, and explore different perspectives in the field of intellectual property law.