Why would they patent a biological weapon? The same reason the Americans and Germans fought over the patents for nuclear weapons. The same reason they threaten to bomb Iran, North Korea or any other country that tries to develop their own nuclear weapons. It's profitable not only to sell nuclear weapons, but own a monopoly on them to determine who gets to own them and who does not. Same with biological weapons (i.e. AIDS).
Dr. Robert Strecker is a biologist who made the following video in the mid-1980s (thus the poor quality) proving that AIDS cannot have naturally occurred. He mailed a copy (VHS) to every member of Congress and all Illinois state legislators. They all ignored him except for Illinois State Representative Douglas Huff, who "mysteriously died" in 1988. Dr. Strecker's brother, Ted, was helping him with the research. He also "mysteriously died" in 1988, about six weeks before Congressman Huff.
You should also read Dr. Alan Cantwell's work if you're genuinely interested in this topic.
Who is "they?" Governments who created AIDS aren't investing anything. Every semi-effective, affordable AIDS treatment was/is privately funded. Further, these private researchers were/are only dedicated to their work because AIDS effects so many white homophile males. Dr. Gary Davis, a black doctor from Tulsa, Okla., created what he called a "goat serum" or "BB 7075" that cured AIDS. He kept it as under-wraps as possible because he knew it was dangerous to mess with "their" biological weapons. He is said to have cured hundreds of people in West Africa. But again, he didn't want a lot of people knowing about it because his serum was cheap and effective.
A black American girl named Precious Thomas was born with AIDS because of her crackhead mom. She got the treatment, and is still alive today. Look up her story. It's fascinating. Dr. Davis was poisoned and killed in 2007 when he was fleeing the country as the military industrial complex continually threatened him. Sounds crazy huh? It's all documented if you really want to know about it. I mean, Magic Johnson is still alive and looks healthier than ever. Obviously he was cured of a disease that meant 100% death when he contracted it in the early 1990s.
You don't need to be a PhD biologist to understand a patent. There were ZERO documented cases of AIDS in Africa prior to 1979. But there were hundreds of them among homophile white males in San Francisco and New York. Those were the testing grounds/subjects before launching it on Africa via "malaria vaccines." Further, if you look just a little bit at the patent, you'll see the Pasteur Institute in France created it. That place has been around since the late 1880s and played an integral role in helping France colonize so much of Africa. Dr. Robert Gallo, an American, allegedly tried to steal the patent from the French and German doctor who made it. There was actually a lawsuit filed because of this. You can read about it in the book "Science Fictions: A Scientific Mystery, a Massive Cover-up and the Dark Legacy of Robert Gallo."
I've done extensive research on this. Not a "conspiracy" at all. I specifically took two advanced biology courses in college after I learned about the Strecker Memorandum. I wanted to truly understand what he was saying. You don't believe it because you DON'T WANT to believe it. I can understand that. But the proof is out there if you want it.