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Amazon wants to automatically analyse customer feedback to improve their products. They provide you with the following raw review data. “The product is amazing! Exceeded my expectations.” “Worst purchase ever. Completely useless.” “It’s okay, nothing special.” “Absolutely fantastic service and fast delivery.” “Not good, but not terrible either.” Answer the following. a) How would sentiment polarity affect this data? b) Propose a method to compute the sentiment polarity of a review. Illustrate your method with review #2. c) Now, consider using a machine learning approach. Outline the steps to train a model for sentiment polarity detection. d) A new review reads: “The product is neither good nor bad.” If your approach returns a polarity score of 0.0, while a trained ML model predicts slightly negative. Explain why this discrepancy might occur.

Which of the following statements about the training process of a neural network is false?

[TS1, TM2, and PAT5] Chef Adam is debating whether to keep his sauce recipes as trade secrets or apply for patent protection. As his business manager, you advise him to consider several factors. Which of the following is least relevant to deciding between trade secret, trademark, and U.S. patent protection?

[LIT3] During the discovery phase of the litigation, Schlichtmann questions a former plant employee in front of a court reporter in a conference room in the presence of a court reporter and defense counsel, to gather the witness’s sworn testimony. What type of discovery tool is he using?

[LIT2] Does the Massachusetts court have personal jurisdiction over W.R. Grace & Co. and Beatrice Foods?

[SEC1] Given the evidence that Nichols intentionally falsified SEC filings and concealed material information about RDU-90’s safety to deceive investors, is he likely to be convicted of securities fraud?

[TM1] What category of trademark is “ED209?”

[PAT7] During the pursuit of a patent application for a new chemical process: The patent application omitted key information necessary for a chemist to practice the invention without undue experimentation. One true inventor was omitted, and another non-inventor was named. The applicant failed to disclose test results a reasonable examiner would rely on to reject claims. Which statement is most accurate regarding the potential impact?

[PAT4] Chef Jones filed a U.S. patent application covering the device on September 1, 2024. What is the likely result regarding his chances of obtaining patent protection for his meat grinder in the U.S., and also in a country with an absolute novelty requirement?

[SEC6] Even if a company sells securities exclusively within one state, it must still comply with that state’s securities (“blue sky”) laws.