Find the Best Invalidity Opinions Lawyers — Verified Attorney Directory
Browse 14 invalidity opinions attorneys across the United States. Review experience, bar admissions and client ratings side by side, narrow your shortlist by state, and reach out directly — every profile on LawyersListed is free to contact.
14 attorneys · Invalidity Opinions
Editorial ranking — by rating, reviews & verified credentials
View profileDavid Mitchel Tener is a lawyer practicing intellectual property, patents, trademarks and 20 other areas of law. David received a B.A. degree from La Salle University in 1985, and has been licensed for 34 years.
View profileBarry A. Stein is a lawyer practicing counseling involving all aspects of intellectual property, derivation proceedings, due diligence and 18 other areas of law.
- RSView profile
Robert Stanley Silver is a lawyer practicing intellectual property, patent, trademark and 15 other areas of law. Robert received a B.S. degree from Boston College in 1980, and has been licensed for 38 years.
- MJView profile
Michael Jay Berkowitz is a lawyer practicing intellectual property, patents, trademarks and 19 other areas of law. Michael received a B.S. degree from Lehigh University in 1984, and has been licensed for 35 years.
View profileScott Michael Slomowitz is a lawyer practicing intellectual property, computer law, patent and 18 other areas of law. Scott received a B.S. degree from University of Delaware in 1983, and has been licensed for 34 years.
Pennsylvania34 yrs experience- PWView profile
Pei-Ru Wey is a lawyer practicing patents, biochemical patents, biotechnology patent prosecution and 30 other areas of law. Pei-Ru received a Pharm.D. degree from Rutgers University Ernest Mario School of Pharmacy in 2005, and has been licensed for 13 years.
Massachusetts13 yrs experience - LEView profile
Mr Lawrence E. Ashery is a lawyer practicing patent, counseling, due diligence and 12 other areas of law.
Pennsylvania36 yrs experience - RMView profile
Robert Matson is a lawyer practicing ex parte reexaminations post-grant review, foreign & pct patent filing, invalidity opinions and 13 other areas of law. Robert received a B.S. degree from Brigham Young University in 1999, and has been licensed for 19 years.
Connecticut19 yrs experience
View profileJoseph Francis Murphy is a lawyer practicing patents, biotechnology patent prosecution, chemical patent prosecution and 18 other areas of law. Joseph received a B.S degree from Saint Joseph's University in 1989, and has been licensed for 20 years.
Chemical Patent ProsecutionPatentsBiotechnology Patent ProsecutionPharmaceutical Intellectual PropertyPennsylvania20 yrs experience- LMView profile
Lynn M. Terrebonne is a lawyer practicing anda litigation, due diligence, intellectual property and 5 other areas of law.
Pennsylvania28 yrs experience - VVView profile
Vinay Vijay Joshi is a lawyer practicing patent application, appeals, patent litigation and 3 other areas of law. Vinay received a B.S.E.E. degree from General Motors Institute in 1993, and has been licensed for 25 years.
California25 yrs experience


