Extract to table

To anticipate, a single prior art reference must describe each and every claim limitation and enable a person of ordinary skill in the art to practice the claimed invention without undue experimentation

§ 282, the party challenging validity must establish invalidity by clear and convincing evidence

The inherent disclosure must be certain, not merely probable

Objective indicia of non-obviousness, including commercial success, long-felt need, failure of others, copying, and industry praise, must also be considered

However, any such argument must establish a nexus between the commercial success and the specific patented features—i

The patent specification describes the problem of blade safety in trocar systems: during laparoscopic surgery, the trocar's obturator blade must be sharp enough to penetrate tissue during initial access but must retract into a safe position after penetration to avoid injuring internal organs