Wang Kuang guessed right, Li Su and they will not only retaliate, but also this method of revenge is very vicious, it can almost be said that it is a salary draw from the bottom of the kettle, although it will not make the Wang family's investment in buying the mine in the early stage useless, but even if the Wang family buys the mine, and even organizes people to dig out the coal, but the future sales all depend on Li Su's face, if you want them to make money, you can make money, if you want them to lose, it can be said that it is completely in the hands of Li Su.

In view of the good effect of cement patents, not only to make the promotion of cement more rapid and fast, but also to protect the rights and interests of cement inventors, so he asked Taizong Li Shimin to promulgate a patent law to protect the rights and interests of the two major handicraft new technology owners of the invention of the new Chapter 85 Patent Division, so as to encourage the enthusiasm of the subjects of the Tang Dynasty for invention.

Although Duan Lun's move aroused the opposition of some pedantic people, such as Kong Yingda, Yu Zhining and others, they believed that once the patent law was promulgated, it would only make people indulge in strange and obscene techniques and forget the teachings of the sages, so they resolutely opposed it. However, Fang Xuanling and other important ministers think that this method is very good, they have seen the impact of new technologies on Datang from the matter of cement, and think that if Datang can have more inventions similar to cement, it can only make Datang more powerful, so it should be vigorously supported.

In addition to Fang Xuanling and his gang, there are two other groups of people who are unexpectedly supportive of the patent law, one is Cheng Yanjin and Li Ji, a group of generals, and the other group is the royal family headed by Li Xiaogong and Li Daozong.

With the support of so many people, and Li Shimin has always attached great importance to craftsmen, so he finally agreed to this matter, and asked Fang Xuanling and others to write a patent law. The first patent bill on the planet has finally come into effect.

The people involved in the promulgation of the patent law did not realize the importance of this matter, and even Li Su, a traveler, did not know enough about this matter, he did not know, because his actions this time had made Datang embark on an unknown fork in the road, so that the future history has been completely changed, and the Datang he knew before has never been able to appear.

At the same time as the Patent Law was enacted, a new government department was established, namely the Patent Department under the Ministry of Industry. This patent division has one Langzhong, from the fifth grade, and another member of the staff, from the sixth grade.

It is worth mentioning. This patent department is the original team of the Cement Supervision Institute, and even the office location has not changed, but the brand of the Cement Supervision Institute has been replaced by the Patent Division. Because in addition to the personnel outside the Cement Supervision Institute, other people have no relevant experience at all, so when the Patent Department was established, the Cement Supervision Institute was abolished, and the personnel inside were transformed into officials of the Patent Department, and the functions and powers of the Cement Supervision Institute were also attributed to the Patent Division, and Li Yifu was also promoted from the supervision assistant of Qipin to the Patent Division. However, Lang Zhong, who was in charge of the patent department, was not Li Su, but was assigned another person by Li Shimin to serve as him, and Li Su was automatically dismissed and went back to be his free prince.

When the patent department was first established, Li Yu and they were the first to enter and register a patent, and Datang's patents were different from those of later generations. The registrant can set the term of protection of the patent, but the minimum is 10 years and the maximum is 100 years, and the longer the period, the less the patent fee can be charged for the patent.

Li Su registered a ten-year patent for roasted tea. After all, it is impossible for this thing to be kept secret forever, and there are benefits to popularization, and it is good to be able to collect ten years of patent fees. In addition, several things such as perfumes, fireworks, mirrors, etc., are the maximum number of years of registration. These things are now considered luxuries, and Li Su does not plan to make them public too soon. The distilled liquor technology is jointly registered in the name of Li Su, Li Xiaogong and other five of them, after all, Li Su paid money and only invested in technology, so the patent is considered to be a part of Li Xiaogong and the four of them bought, which is considered to be shared by five people, and after obtaining their consent, the patent will also be registered for a hundred years, after all, the current food is expensive, and they have already had the impeachment of the imperial history in a distillery, if the distilled liquor technology is promoted again, I am afraid it will not be the impeachment of the imperial history, and even Wei Zheng will play a copy of them.

In addition to the above things, Li Yu and Cheng Huailiang and others, in the name of the Coal Industry Association, also registered the honeycomb coal and coking technology, and the time is also a hundred years, these two are their sharp weapons to deal with the Taiyuan Wang, how can they do it for a long time?

The two things Li Jingheng mentioned before are honeycomb coal and coking technology. You must know that after the coal is dug up, the next step is to sell it. With the application of coal in cement plants, more and more people have recognized coal as an excellent fuel, but cement plants are still the largest buyers of coal, and now cement plants are under the control of Li Su's cement industry association, so all cement factories can be required to block the coal produced by Wang's, so that the coal produced by Taiyuan Wang's can only be sold in other ways.

However, Li Su has now registered patents for honeycomb coal and coking, so that it has almost cut off the private market and high-end coking market of Wang's coal, and it can be said that after the coal of Taiyuan Wang's is dug out, there is almost no way to sell it, even if some industries need a small amount of raw coal, but it is a drop in the bucket at all, and it does not play a big role, so Taiyuan Wang's coal is destined to be a tragedy.

"Cheers~" After getting the registration certificate of honeycomb coal and coking technology, Li Su was carried to Dengxian Tower by Cheng Huailiang, Qin Huaiyu and others, everyone was not drunk and did not return, and Li Yexu also admired him after seeing Li Su's methods for the first time, and even saluted Li Su's three sea bowls and five kings in person, and Li Su's frightened face turned white.

Li Su was also very satisfied with the matter of the patent law, he had long wanted to get the patent law out, but although his status was noble, but he did not have any political power, and it was almost impossible to persuade Li Shimin and the important ministers of the court with his own strength.

But thinking about the price he paid for this, Li Su also wanted to cry without tears, and the others didn't care, either with the coal mine or with the cement, as long as he spent some effort, it was not difficult to persuade them, but the most difficult thing to get was the cheap uncle of Duan Lun, the secretary of the Ministry of Industry, because the patent law had the greatest relationship with the Ministry of Industry, so it was most appropriate for Duan Lun to propose it, but although the relationship between Duan Lun and Li Su was good, it was obviously impossible to let him do such a big favor for him for no reason, and finally Li Su gritted his teeth, In addition to promising to provide the Ministry of Industry with low-cost coke for three years, he also sold himself to the other party, and promised to help the Ministry of Industry improve the current iron-smelting and steelmaking technology.

"Liuyang, you can be regarded as giving us a breath this time, the carboniferous ore we can buy is less than half of the Taiyuan Wang family's control, I think they will sell it to who in the future?" Yanbei was also happy, and even drank a small half catty of five kings drunk, and now his face was red with the smell of wine, and it seemed that he was almost drunk.

"Haha~, I heard that their Wang family spent a lot of money in order to buy these carboniferous mines, and this time Lao Tzu asked them to lose all their money!" Li Jingheng also staggered over, with a villainous look on his fat face.

The people around heard the words of the two of them, and they all laughed proudly, although the charcoal is a good thing, but it can't be sold, it is a pile of stones, and they are very hidden this time, it is estimated that now the Taiyuan Wang family does not know that they have been pitted, Li Yu of course they will not go to publicity, only when the Taiyuan Wang family will dig out the coal again, then it is the time to make the matter public, presumably at that time Taiyuan Wang's face must be very good-looking.

"By the way, Liuyang, although your cement supervision institute is gone, the seat in the patent division should be yours, why did you change it to the surname Xu?" Just sent Yanbei and Li Jingheng away, Li Jingye squeezed over again, and asked Li Su with a smile, the surname Xu in his mouth is the new Langzhong Xu Jingzong of the Patent Department, who was originally a member of the Zhongshu Provincial Zhongshu House, and specially drafted the holy decree for Li Shimin, but this time he was transferred to the Patent Department and did the position that should have belonged to Li Su.

"Alas~, I'm wondering now, I guess someone may have said bad things about me again, so my father sent a Zhongshu to replace me." Li Su also said a little helplessly, he couldn't figure it out about this matter, no matter how he looked at it, the position in the patent office should be his own, but his emperor's father packaged his cement supervision institute into the patent department, but he only kicked himself aside, which is really strange.

Although Li Yu did not become a patent secretary, he was very interested in the newly appointed Xu Jingzong, who was also a celebrity in history, and Li Yifu was also known as the two major thugs under Wu Zetian, and was the most critical person in pushing Wu Zetian to the throne. It's just that what makes Li Su cry and laugh is that now Xu Jingzong and Li Yifu, the two big thugs, have been brought to the patent department by themselves, and they have also become colleagues, these two people are more slippery than one another, let them get together to manage the patent department, which makes Li Su really a little worried, I don't know if the patent department that he managed to get out with great difficulty will be sold by these two traitors? (To be continued)RQ!!