Kaufhold & Dix Law Office is a boutique law firm based in Sioux Falls, South Dakota practicing only patent and trademark law.
This provides our clients with a high degree of specialization so that they can be assured of competent, reliable and proficient intellectual property counsel.
As patent attorney specialists, we help solo inventors to large companies protect their intellectual property with legal services that include patent searches, trademark searches, and the filing and prosecuting of both patent and trademark applications.