Lang Patent Law LLC
Law FirmAbout
Patent and trademark firm serving the greater Pittsburgh area and clients nationwide. Founded in 2007 by William F. Lang IV, a registered patent lawyer with 26 years of experience. Covers software, mechanical, electrical, biotech, and medical device patents.
Specialties
Services
- Patent Prosecution
- Provisional Patent
- Utility Patent
- Design Patent
- Patent Search
- Patent Litigation
- PCT International
- Trademark
- Copyright
- Trade Secret
- Licensing
Reviews
Google ReviewsBill Lang is an amazing patent attorney. His understanding of the law is encyclopedic, not only in volume but in depth and nuance. In addition to understanding the law and intricacies of the bureaucr...
Bill was quick and compassionate. He included my observations in his advocacy. He shared communication he had with opposing counsel with me quickly and kept me up to speed on my matter. The matter was...
Highly recommend. Attorney Lang resolved a complex copyright issue in a very short time.
Bill did an outstanding job working with me on a successful patent filing. Highly recommend Bill.
Bill Lang represented us throughout the process to register a copyright for a new curriculum we were publishing. His work on our behalf was extremely thorough, and his communication with us was thoug...
Bill Lang helped my company establish a trademark with a complex mark. Bill is a true professional with the knowledge of a large firm but the personal touch that makes you feel like a Fortune 50 clien...
William Lang is one of the finest attorneys I have ever had the opportunity to work with. He is a consummate professional, and an absolute delight to work with. I am a writer, and I have a past life ...
Bill Lang helped our organization resolve a VERY Complex Licensing situation. His many years of experience was evident but not overbearing. Bill brings large firm experience to the table with the ca...
Estimated Pricing
Hourly rate $390/hr. Initial consultation $100/hr. Would not provide flat fee estimates. Source: email March 2026.
Location
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