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ITC says ST Micro, others didn't violate Rambus patents

03/02, 7:20pm

ITC judge rules in favor of Rambus accused

Rambus has hit a wall in its patent infringement case against ST Micro and other respondents. Following its success in forcing licensing deals with Broadcom, Freescale and NVIDIA, an Administrative Law Judge at the ITC has ruled that ST Micro has not infringed on patents owned by Rambus and is free to continue importing memory modules into the US. Rambus is currently considering options, which includes requesting a full Commission review of the ALJs Initial Determination.

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Hynix appeal against Rambus refused by the Supreme Court

02/21, 7:15pm

Hynix appeal against Rambus denied by high court

The US Supreme Court hasn't allowed Hynix Semiconductor to begin an appeal against memory maker Rambus, the Wall Street Journal revealed. In its stillborn plea, Hynix argued that Rambus hid key information from JEDEC, an industry standards-setting organization, and therefore shouldn't be able to enforce some of its patents. Rambus was accused of failing to reveal plans for patenting technologies that had been adopted by JEDEC.

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NVIDIA, Rambus make patent deal despite invalidations

02/08, 9:05am

NVIDIA and Rambus sign five-year pact

Rambus on Wednesday struck a deal with NVIDIA to license its patents. The deal extends for five years and is in return for ending Rambus' lawsuit as well as any other legal action. Other details were secret, Rambus said.

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USPTO invalidates key Rambus patent, may lower tech costs

01/27, 5:50pm

USPTO rules last of 3 core Rambus patents invalid

Rambus' litigation campaign suffered a possibly fatal setback Friday after the USPTO pushed word that it had invalidated the final patent out of three the company has been using to sue a large part of the technology industry. Having quietly made the decision on Tuesday, the patent office's appeals board left Rambus without any of the patents it has been using to sue NVIDIA, Hynix, HP, and others. The first two had been scrapped in September.

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Rambus strikes patent license deal with Broadcom

12/23, 2:55pm

Legal cases against 5 others continues

Rambus on Thursday said it had signed a patent license deal with Broadcom. In conjunction with the five-year agreement, the two companies have settled a legal battle that began last year when Rambus sued Broadcom and five other semiconductor makers of copying its memory technology as well peripheral connectivity technology. No other details of the agreement or settlement have been released.

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Rambus loses antitrust case against Hynix, Micron

11/16, 6:55pm

Jury rules 9-3 against Rambus' anti-trust claim

Memory maker Rambus suffered a major legal setback Wednesday when a California jury ruled that the two defendants against which Rambus had filed complaints, Micron and Hynix, were not guilty of anti-competitive behavior under the state's antitrust laws. The jury, in a nine to three decision, found that the two companies had neither conspired to to prevent Rambus' technology from getting a foothold in the market, nor fixed the price of memory chips. If Rambus had won, the company could have received up to $4 billion in direct damages and triple that in punitive damages.

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Apple: Samsung making 'standard-setting abuses' with patents

08/30, 5:10pm

Apple fights Samsung on patent terms in lawsuit

Apple in a response to Samsung's countersuit late Monday accused the Korean company of abusing its stance on patent licensing terms. The firm accused Samsung of "serial standard-setting abuses" by illegally getting monopoly status in fields where its patents are billed as essential to the technology and promptly 'tricking' standards bodies by hiding its requirements around Fair, Reasonable, and Non-Discriminatory (FRAND) licensing terms, letting it abuse its claims against others. Apple contended that Samsung's lawsuit was an "anticompetitive ambush" and was exploiting this to try and make Apple drop its self-proclaimed legitimate anti-copying complaints.

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Hynix claims Rambus had always planned to sue

06/21, 3:20pm

Claims and counterclaims in California court

In a legal battle being played out in a California Superior Court, memory producer Rambus has sued alternative memory manufacturers Micron and Hynix, claiming they were part of a conspiracy to drive Rambus and its RDRam chip technology out of the market. Today, the lawyer for Hynix tried to put the blame back at Rambus' own feet. In his opening argument, the lawyer claimed that Rambus's problems arose not by any of Hynix's actions, but from Rambus' own design and technology problems.

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Appeals court says Rambus destroyed documents in patent suit

05/13, 2:10pm

Rambus destroyed documents key to case: court

Rambus has destroyed documents that relate to patent cases it filed, a US appeals court said. Despite this, judges asked a lower court to review its decision to throw out a lawsuit. Memory chip makers Micron and Hynix Semiconductor, both of whom were involved in a lawsuit against Rambus, accused Rambus of destroying documents that were relevant to the case.

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Rambus sues NVIDIA, five more in threat to industry

12/02, 1:55pm

Rambus sues NVIDIA and five others over DDR RAM

Rambus late Wednesday sued six semiconductor firms in a patent dispute that could jeopardize electronics. The multiple suits filed in a Northern District of California court accuse Broadcom, Freescale, LSI, MediaTek, NVIDIA and STMicro of copying Rambus technology for DDR memory, including GDDR memory for graphics, as well as common connection standards such as DisplayPort, PCI Express, SAS and SATA. It claimed ownership of some of the techniques after having bought the patents from Velio Communications in 2003, EETimes noted.

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NVIDIA signs Rambus licensing deal, lawsuits continue

08/13, 12:40pm

NVIDIA and Rambus call partial truce

NVIDIA today struck a licensing deal with Rambus to use its patents for some memory controllers. The deal will see Rambus collect a one percent royalty on single data rate controllers and two percent for any double data rate controllers, ranging from basic DDR up to parts of the GDDR5 used with the newest video cards. The deal doesn't involve any reciprocal licensing from NVIDIA.

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NVIDIA loses patent infringement suit against Rambus

07/26, 6:55pm

ITC ruling calls for ban on imports

NVIDIA has lost another battle in the ongoing patent-infringement lawsuit originally filed by Rambus. The US International Trade Commission has announced its conclusion that NVIDIA used Rambus' patented technology without permission or a licensing agreement.

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Rambus gets partial win in patent fight with NVIDIA

03/05, 10:55am

Rambus gets some patents upheld

Rambus late Thursday achieved a partial win in its ongoing patent dispute with NVIDIA. While an International Trade Commission decision in January found that NVIDIA had infringed on three of Rambus' patents for memory technology, a US Patent & Trademark Office verdict this week said that one of the Rambus patents was invalid and partially invalidated a second patent. NVIDIA plans to appeal the decision on the remaining patent.

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Rambus wins NVIDIA ruling, settles with Samsung

01/25, 11:30am

Samsung deal worth $900 million; NVIDIA to appeal

In separate actions, southern California memory technology company Rambus has cleared a procedural hurdle in in its patent-infringement case against NVIDIA, and settled a claim against South Korean electronics giant Samsung.

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EU caps Rambus' royalty rates

12/09, 3:30pm

Rambus agrees to deal with EU officials

The European Commission today negotiated a deal with Rambus to avert a possible legal penalty for the American memory designer. Terms in the new agreement will require it to drop its royalty rates for its more recent RAM from 3.5 percent to 1.5 percent and to let those using some of its older memory technologies obtain it for free. In return, the company won't face charges filed against it in 2007 that accused it of abusing its position within the JEDEC memory standards group to develop a standard while hiding the truth that it held patents those standards would use.

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Patent office shoots down more Rambus claims vs. NVIDIA

11/24, 6:40pm

Rambus' 17 patent claims against NV denied

NVIDIA claimed a legal victory on Tuesday as the US Patent and Trademark Office again denied a slew of patent claims Rambus has been using to try and block sales of NVIDIA's products. Similar to 41 previous claims, 17 claims by Rambus spread across three patents have been ruled invalid and can't be used in the memory maker's case with the International Trade Commission. The motion had argued that NVIDIA should be banned from selling graphics processors with memory controllers allegedly similar to those Rambus uses.

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US Patent Office rejects Rambus' anti-NVIDIA claims

06/02, 3:55pm

NVIDIA free of Rambus suit

NVIDIA on Tuesday announced that the US Patent and Trademark Office (USPTO) has initially rejected 41 patent infringement claims regarding seven patents Rambus has filed against NVIDIA back in July of 2008. NVIDIA challenged these claims in November of 2008, when Rambus filed a complaint in an International Trade Commission (ITC) action. All patent infringement claims from Rambus relate to memory controllers in graphics processors.

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FTC quits antitrust case against Rambus

05/14, 4:05pm

FTC Quits Rambus Case

The US Federal Trade Commission today dropped its antitrust case against memory producer Rambus. The company had previously been found guilty of abusing its monopoly power but successfully won an appeal in 2008; the FTC's decision to quit follows after its own appeal was rejected in February and the government body considered its options. Officials say the departure comes after they decide it would "not be in the public interest" to pursue Rambus further.

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Rambus demos 4.3Gbps smartphone memory

02/02, 8:20am

Rambus MMI

Rambus today will demo a new RAM technology that it believes could be needed for more advanced visuals on smartphones. Labeled the Mobile Memory Initiative, the approach uses a variant of the separate, flexible clock speeds used in XDR memory (found in the PlayStation 3) but with very low-power, low variance signaling that creates very high bandwidth without ramping up the power draw. MMI would allow 4.3 gigabits per second from a single chip but a typical voltage of just 100mV, providing about five times the headroom of the 800-megabit mobile memory available today

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Rambus files complaint against NVIDIA with ITC

11/07, 4:55pm

Rambus files ITC complaint

In addition to filing a lawsuit against graphics hardware maker NVIDIA back in July, technology licensing company Rambus has filed a formal complaint against the company on Thursday with the US International Trade Commission. Rambus has requested an investigation of NVIDIA products that it hopes would lead to the barring of importation, sale for importation and sale after importation of the latter's products that Rambus believes infringe on nine of its patents.

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Rambus sues NVIDIA over patent infringement

07/11, 11:50am

Rambus sues NVIDIA

As if NVIDIA wasn't in enough hot water already, reports have high-speed memory interface maker Rambus Inc. suing the graphics chip maker over patent infringements. The lawsuit, filed in a Nothern District of California court, implies NVIDIA's memory controllers for SDR, DDR, DDR2, DDR3, GDDR and GDDR3 SDRAM infringe upon 17 Rambus patents.

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Rambus seeks to halt Hynix RAM shipments

03/27, 4:10pm

Rambus Seeks Hynix Ban

Memory producer Rambus today revealed that it will petition for an injunction against industry rival Hynix, barring the latter from shipping RAM that allegedly infringes on Rambus patents. The action was requested after a federal court green-lighted legal efforts against Hynix as well as fellow memory producers Micron and Nanya, saying that the move to enforce patents would not tread on US antitrust laws. Rambus has said it would be willing to license the patents in exchange for royalties for memory sold.

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Rambus prepping 1TB/sec computer memory

11/28, 2:15pm

Rambus Terabyte Initiative

Memory maker Rambus today unveiled its Terabyte Bandwidth Initiative, a new effort to cross a symbolic barrier for computer memory speed. The plan will see a new form of RAM that can pass 32 bits of data in one clock cycle versus the two bits of today's memory and splits the signaling between data and commands or memory addressing. The net effect is to provide 16 gigabits per second of bandwidth with a single 500MHz memory chip -- about 16 times the performance of today's DDR2 memory standard at the same clock rate.

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