Tekla products are protected by several patents including U.S. Patent Nos.
7,302,368
7,617,076
7,765,240
7,809,533
8,022,953
8,041,744
8,046,210
8,599,220
8,645,111
8,966,189
9,613,168
9,852,236.
Also elements of the software may be the subject of pending patent applications in the European Union and/or other countries including U.S. patent applications
20120022848
20130328872
20130346432
20140184595
201440188438
20160140256
20170192632.