align=middle
Categories: News

LWRC and Sig Sauer Sued By Leitner-Wise

The news that LWRC and Sig Sauer sued by Leitner-Wise kind of comes as a shock if I am honest. Earlier today (The publish date on this post is 6 months after it was initially run.) Paul Leitner-Wise of Leitner-Wise Manufacturing filed a lawsuit for patent infringement against LWRC and Sig Sauer.
If you are unfamiliar with Mr. Leitner-Wise you may be familiar with the company he founded, LWRC or Leitner-Wise Rifle Company. Mr. Leitner-Wise is the patent holder for the self-cleaning gas operating system that LWRC currently uses on their piston driven rifles.

Mr. Leitner-Wise sold LWRC in 2005 and remained an employee of the company, in 2006 Leitner-Wise left the employ of LWRC. Part of the employment contract as outlined in the relevant facts section of the suit is Mr. Leitner-Wise was to be paid a 0.5% royalty from the net sale of every rifle that used his piston system. The suit goes on to state that the contract was removed from his possession at some time around when Leitner-Wise’s employment ceased.

The lawsuit also goes on to name Sig Sauer as a defendant, claiming they are using Leitner-Wise’s design in the Sig 516 rifle without paying proper royalties. The suit then goes on to request that Sig pay according to the same royalty agreement that LWRC agreed to when Leitner-Wise signed on as an employee. Over a dozen other rifle designs were named in the suit as using the patent, some of the more notable ones being the Sig MCX, the Sig 516 and the Sig 716.

You can read the entire lawsuit by clicking here.

As always expect us to update you as we learn more about the status of the lawsuit.

Patrick Roberts

Since founding Firearm Rack in 2014 which evolved into Primer Peak in 2020, Patrick has been published by RECOIL, Ammoland, Gun Digest, The Firearm Blog, The Truth About Guns, Breach Bang Clear, Brownells, The Shooter's Log, and All Outdoor. When he isn't writing you can find him instructing handgun and AR-15 courses, training his dog Bear, or spending time with his son Liam. See what he is up to on his YouTube Channel, on Facebook, or on Instagram at @thepatrickroberts.

Share
Published by
Patrick Roberts

Recent Posts

Living Legends | Interview with Bruce Cartwright [2025]

In the previous edition of Living Legends we spoke with Rob Haught. Today we have…

1 day ago

Immediate Action Carrier from Dark Star Gear Review [2025]

I've spoken about setting up your revolver EDC in the past. While there aren't tons…

3 days ago

Shield Arms Glock 43x/48 Carry Magwell Review [2025]

During Technical Handgun - Tests & Standards in 2023, I shot my Glock 48 for…

1 week ago

10 Round Shotgun Battery Course | Skills and Drills [2025]

Recently I found myself browsing the internet, looking for additional drills to diversify my range…

1 week ago

Aimpoint COA: First Impressions [2025]

When Aimpoint and Glock announced their collaboration earlier this year, I was immediately interested.  The…

2 weeks ago

What’s the Coolest Looking Bad Handgun? [AF 2025]

There are many elements to a handgun. This is pretty obvious, but the most important…

3 weeks ago