The Celtic manager was left incensed by the performance of Spanish whistler Alberto Mallenco in the first leg as he allowed the Italian defenders to clearly man-handle the Hoops players at corners and free-kicks during their first-leg 3-0 defeat.
A letter was dispatched to Uefa to complain and request clarification on what is actually a foul inside the penalty area and he reckons his Juve counterpart Antonio Conte is talking nonsense when he claimed his players were being fouled by the Parkhead players.
"It was just so galling – I mean we've done everything right," insisted Lennon as he tried to remain calm after discovering Conte's claims.
"I watched Juve against Napoli the other night and Chiellini was all over Canvani. He had him almost in a head lock at one point. And then Chiellini pulls his hair. You need to see it, honestly.
"The ball is played out, then it comes back in and as it's coming back in, Cavani just smashed him with his forearm. He should have been sent off. But the guy standing behind the goal, who has seen it, says it's a yellow card. It was never a yellow card – he smashed him.
"The point is, it was still going on and nothing was done about it. Cavani lost his temper and should have been sent off. Our boys showed tremendous restraint and weren't commended for it really.
"We'll just do the same thing as we did in the first leg. But I haven't seen this kind of thing done anywhere else in Europe. There was a tie involving Lazio when a penalty was given against them. So maybe it's just a referee's interpretation. I don't know.
"Gary Hooper wasn't doing anything wrong. And what about Scott Brown? Padoin came on and the first thing he did was put his arms around Scott's waist. He got booked for it and then he did the same thing again straight away.
"At the first corner of the night Gary ended up in the goal – in the back of the net. So how does that happen without him being wrestled in there?
"I'm not sure Gary did a lot wrong. And, if you look at the Padoin one, Scott did nothing wrong. He was actually trying to run away from him and he still got wrestled to the ground. And that was after Padoin was booked.
"The cameras were transfixed on it so how the ref didn't see it I don't know. And I don't know what the other two were doing behind the goals either."
Lennon insisted Celtic are not breaking the rules by placing Hooper directly in front of the opposition keeper at set-pieces.
He explained: "Hooper is allowed to stand in front of Buffon. He (Conte) is talking rubbish. Any player can stand anywhere he likes in the box.
"He's not effecting the goalkeeper, he's not touching the goalkeeper and he's not preventing him from getting the ball. If he prevents him from getting the ball then, yes, it's a free kick. But before the ball is kicked he's not doing anything and he is entitled to stand where he likes. So he is talking nonsense."