(March 30, 2020, 2:13 PM EDT) -- WILMINGTON, Del. — An energy company on March 12 filed a brief in the Delaware Supreme Court contending that a lower state court correctly held that the rights of a hydraulic fracturing field services company in an initial public offering (IPO) are subordinate to the qualified IPO rights of a private equity fund (Williams Field Services Group LLC v. Caiman Energy II, et al., No. 488, 2019, Del. Sup.)....