Top 30 Most Popular IP Law Blogs - Justia

1.   Patently-O  (33)
2.   IPKat (34)
3.   Patent Docs (41)
4.   IPBiz (62)
5.   IPThinktank (95)
6.   The University of Chicago Law School (104)
7.   Recording Industry vs The People (106)
8.   US Law Watch (117)
9.   Plagiarism Today (126)
10. 43(B)log (128)
11.  The TTABlog (135)
12.  Illinois Business Law Journal (138)
13.  The Trademark Blog (140)
14.   Two-Seventy-One Patent Blog (199)
15.   Philip Brooks' Patent Infringement (200)
16.   Patent Baristas (213)
17.   The University of Chicago Law School (230)
18.   Chicago IP Litigation Blog (234)
19.   Likelihood of Confusion (248)
20.   Orange Book Blog (251)
21    Technology & Marketing Law Blog (254)
22    Law & Disorder (264)
23.   IPWatchdog (276)
24.   Eastern District of Texas Federal (283)
25    ITC 337 Law Blog (293)
26.   Seattle Trademark Lawyer (301)
27.   Biz-Media-Law Blog (302)
28.   Copyright Litigation Blog (311)
29.   TechnoLlama (342)
30    Freedom to Tinker (344)

Source:  Justia Blawgsearch (accessed 5/28/2010 weekly stats ranking among Blawgs tracked by Justia).