Recently a European pharmaceutical manufacturer began using neem to make its own product and applied for a patent for mass production. India appealed to the European Community and the EC last year announced that the company could not patent its product.
由於一家歐洲藥廠將尼姆素製成西藥後申請專利，大量生產，印度就到歐盟與之對簿公堂，去年歐盟已判該藥廠無權擁有專利。