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RealNetworks, Inc. v. DVD Copy Control Ass'n

RealNetworks, Inc. v. DVD Copy Control Ass'n is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand RealNetworks, Inc. v. DVD Copy Control Ass'n rather than just read about it. In short: RealNetworks, Inc. v. DVD Copy Control Association, Inc., 641 F.

RealNetworks, Inc. v. DVD Copy Control Ass'n — main illustration
RealNetworks, Inc. v. DVD Copy Control Ass'n — illustration

Key takeaways

  • RealNetworks, Inc. v. DVD Copy Control Ass'n belongs to computer science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect RealNetworks, Inc. v. DVD Copy Control Ass'n to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of RealNetworks, Inc. v. DVD Copy Control Ass'n from memory before moving on to harder problems.

Reference excerpt

RealNetworks, Inc. v. DVD Copy Control Association, Inc., 641 F. Supp. 2d 913 (2009), is a United States District Court case involving RealNetworks, the movie studios, and DVD Copy Control Association regarding the Digital Millennium Copyright Act (DMCA) claims on the manufacturing and distribution of RealDVD, and a breach of license agreement. The district court concluded that RealNetworks violated the anti-circumvention and anti-trafficking provisions of the DMCA when the DVD copying software RealDVD bypasses the copy protection technologies of DVD. This lawsuit is one of the many legal actions taken by the movie studios in an attempt to restrict the copying of DVDs.

Background This case involves the digital media company RealNetworks, DVD Copy Control Association (DVD CCA) and the major motion picture studios. RealNetworks licensed the Content Scramble System (CSS), a technology commonly used on copyrighted DVDs to prevent unauthorized copying, from DVD CCA and released the product RealDVD that allows users to make hard drive copies of copyrighted DVDs. However, some major movie studios feel that RealDVD can threaten the emerging market in digital downloads and encourage people to make copies of rental DVDs instead of purchasing. RealNetworks, on the other hand, believes that copying of DVD is now legal after the favorable ruling of a 2007 California Superior Court case against Kaleidescape, a manufacturer of high-end media servers capable of copying copyrighted DVD content to the servers. Therefore, RealNetworks sued the DVD CCA and several major movie studios on September 30, 2008 seeking for a declaratory judgment that RealDVD neither violated the Digital Millennium Copyright Act (DMCA) 17 U.S.C. § 1201 nor breached the licensing contract with DVD CCA. On the same day, the studios sued RealNetworks by alleging that RealNetworks violated the DMCA and breached the contract.

District court ruling The district court issued a temporary restraining order on October 3, 2008 after the initial hearing of the case to prevent the sale and distribution of RealDVD. The temporary restraining order was turned into a preliminary injunction against RealNetworks on August 11, 2009 by Judge Marilyn Hall Patel, barring the manufacturing and distribution of RealDVD or any other similar software product after the court found that RealNetworks violated the DMCA and breached the CSS licensing agreement with DVD CCA.

DMCA claims on Content Scramble System The DMCA prohibits circumvention of "effective" access control of copyrighted works and the trafficking of tools that are designed primarily to circumvent "effective" access control or copy control of copyrighted works. RealNetworks alleged that that CSS is not effective anymore because it has been cracked or hacked. However, the court ruled that the DMCA statute does not require the access control or copy control technology to be strong as long as it prevents unauthorized access and/or copying under ordinary course of operation and with the authority of the copyright owner. Since the court concluded that CSS is still effective for ordinary uses, the DMCA claim against RealNetworks is valid. The court decided that RealDVD is primarily designed or produced to circumvent CSS technology. In particular, the court found that the removal of crucial CSS technology in DVD drive-locking, secure storage of content keys on DVD, CSS authentication and CSS bus encryption during the playback of copied DVD content from the hard drive is a circumvention of CSS, even though they are not needed when playback from the hard drive. The court further explained that even though RealNetworks is a licensee of CSS technology, it does not shield RealNetworks from DMCA claim because the removal of CSS technology is a violation of DMCA.

DMCA claims on Sony ARccOS and Macrovision RipGuard RealDVD also circumvented copy control measure in Sony ARccOS Protection and Macrovision RipGuard, which are designed not to impair normal playback but to prevent copying by inserting intentional bad sectors and fake menu structures to the DVDs, by mimicking the way human watches a DVD or by skipping the unreadable data. RealNetworks contended that Sony ARccOS and Macrovision RipGuard are not effective copy control measure because they only prolong the copying process. The district court rejected this argument because ARccOS and RipGuard may make copying take so long that copying is essentially not viable. RealNetworks then argued that ARccOS and RipGuard are never encountered during normal playback, leaving a back door to copying wide open, thus, they are not effective copy control measures. But the court disagreed with this argument because if this is the law, then "effective" copy protection measure will have to prevent against every possible current and future means of copying. Finally, RealNetworks asserted that regular DVD players can make temporary copies as cache, so ARccOS and RipGuard do not prevent copying. However, the court deemed this argument flawed by distinguishing that cache copies are byproduct of playback, but copies made by RealDVD are permanent.

RealNetworks accused of evidence destruction Before the March 16, 2009 hearing the DVD Copy Control Association, Inc. wrote to U.S. District Judge Marilyn Hall Patel that RealNetworks had destroyed critical pieces of evidence and that this had irrevocably damaged the integrity of the judicial process. The claim was that RealNetworks knew from the start that what they were producing had a high likelihood of resulting in legal action so the company took measures to cover its tracks along the way. The documentation of this released to the public was heavily redacted, however it indicated that RealNetworks intentionally eliminated engineering notebooks, code files, and documents that pointed to the fact that the RealDVD software was mainly produced by hackers.

… excerpt ends here. Continue reading the full article.

Illustrations

RealNetworks, Inc. v. DVD Copy Control Ass'n illustration

Worked examples

Example 1 — a first encounter with RealNetworks, Inc. v. DVD Copy Control Ass'n

Start with the simplest possible case. Write down what RealNetworks, Inc. v. DVD Copy Control Ass'n claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to RealNetworks, Inc. v. DVD Copy Control Ass'n before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about RealNetworks, Inc. v. DVD Copy Control Ass'n ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of RealNetworks, Inc. v. DVD Copy Control Ass'n

In research
RealNetworks, Inc. v. DVD Copy Control Ass'n appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses RealNetworks, Inc. v. DVD Copy Control Ass'n in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
RealNetworks, Inc. v. DVD Copy Control Ass'n is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2009 in United States case law, Cryptography case law, DVD Copy Control Association, so understanding it makes those chapters shorter.
In everyday life
Look for RealNetworks, Inc. v. DVD Copy Control Ass'n outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study RealNetworks, Inc. v. DVD Copy Control Ass'n in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what RealNetworks, Inc. v. DVD Copy Control Ass'n means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain RealNetworks, Inc. v. DVD Copy Control Ass'n out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RealNetworks, Inc. v. DVD Copy Control Ass'n in simple terms?

RealNetworks, Inc. v. DVD Copy Control Association, Inc., 641 F.

Why does RealNetworks, Inc. v. DVD Copy Control Ass'n matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study RealNetworks, Inc. v. DVD Copy Control Ass'n?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on RealNetworks, Inc. v. DVD Copy Control Ass'n.

Tags

  • 2009 in United States case law
  • Cryptography case law
  • DVD Copy Control Association
  • Digital Millennium Copyright Act case law
  • RealNetworks
  • United States District Court for the Northern District of California cases

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